Best winter thermal bib shorts

<source media="(max-width: 320px)" srcset="https://images.immediate.co.uk/production/volatile/sites/21/2019/03/winter-thermal-bibs-1477068521293-46lispwzz5hl-cbee809.jpg?quality=90&resize=160%2C208, https://images.immediate.co.uk/production/volatile/sites/21/2019/03/winter-thermal-bibs-1477068521293-46lispwzz5hl-cbee809.jpg?quality=90&resize=320%2C416 2x, https://images.immediate.co.uk/production/volatile/sites/21/2019/03/winter-thermal-bibs-1477068521293-46lispwzz5hl-cbee809.jpg?quality=90&resize=480%2C624 3x, https://images.immediate.co.uk/production/volatile/sites/21/2019/03/winter-thermal-bibs-1477068521293-46lispwzz5hl-cbee809.jpg?quality=90&resize=640%2C832 4x" type="image/jpeg"> <source media="(max-width: 375px)" srcset="https://images.immediate.co.uk/production/volatile/sites/21/2019/03/winter-thermal-bibs-1477068521293-46lispwzz5hl-cbee809.jpg?quality=90&resize=190%2C247, https://images.immediate.co.uk/production/volatile/sites/21/2019/03/winter-thermal-bibs-1477068521293-46lispwzz5hl-cbee809.jpg?quality=90&resize=380%2C494 2x, https://images.immediate.co.uk/production/volatile/sites/21/2019/03/winter-thermal-bibs-1477068521293-46lispwzz5hl-cbee809.jpg?quality=90&resize=570%2C741 3x, https://images.immediate.co.uk/production/volatile/sites/21/2019/03/winter-thermal-bibs-1477068521293-46lispwzz5hl-cbee809.jpg?quality=90&resize=692%2C900 4x" type="image/jpeg"> <source media="(max-width: 425px)" srcset="https://images.immediate.co.uk/production/volatile/sites/21/2019/03/winter-thermal-bibs-1477068521293-46lispwzz5hl-cbee809.jpg?quality=90&resize=215%2C279, https://images.immediate.co.uk/production/volatile/sites/21/2019/03/winter-thermal-bibs-1477068521293-46lispwzz5hl-cbee809.jpg?quality=90&resize=430%2C559 2x, https://images.immediate.co.uk/production/volatile/sites/21/2019/03/winter-thermal-bibs-1477068521293-46lispwzz5hl-cbee809.jpg?quality=90&resize=645%2C838 3x, https://images.immediate.co.uk/production/volatile/sites/21/2019/03/winter-thermal-bibs-1477068521293-46lispwzz5hl-cbee809.jpg?quality=90&resize=692%2C900 4x" type="image/jpeg"> <source media="(max-width: 768px)" srcset="https://images.immediate.co.uk/production/volatile/sites/21/2019/03/winter-thermal-bibs-1477068521293-46lispwzz5hl-cbee809.jpg?quality=90&resize=295%2C383, https://images.immediate.co.uk/production/volatile/sites/21/2019/03/winter-thermal-bibs-1477068521293-46lispwzz5hl-cbee809.jpg?quality=90&resize=590%2C767 2x, https://images.immediate.co.uk/production/volatile/sites/21/2019/03/winter-thermal-bibs-1477068521293-46lispwzz5hl-cbee809.jpg?quality=90&resize=693%2C900 3x" type="image/jpeg"> <source media="(max-width: 992px)" srcset="https://images.immediate.co.uk/production/volatile/sites/21/2019/03/winter-thermal-bibs-1477068521293-46lispwzz5hl-cbee809.jpg?quality=90&resize=136%2C176, https://images.immediate.co.uk/production/volatile/sites/21/2019/03/winter-thermal-bibs-1477068521293-46lispwzz5hl-cbee809.jpg?quality=90&resize=272%2C353 2x, https://images.immediate.co.uk/production/volatile/sites/21/2019/03/winter-thermal-bibs-1477068521293-46lispwzz5hl-cbee809.jpg?quality=90&resize=408%2C530 3x, https://images.immediate.co.uk/production/volatile/sites/21/2019/03/winter-thermal-bibs-1477068521293-46lispwzz5hl-cbee809.jpg?quality=90&resize=544%2C707 4x" type="image/jpeg"> <source media="(min-width: 993px)" srcset="https://images.immediate.co.uk/production/volatile/sites/21/2019/03/winter-thermal-bibs-1477068521293-46lispwzz5hl-cbee809.jpg?quality=90&resize=155%2C201, https://images.immediate.co.uk/production/volatile/sites/21/2019/03/winter-thermal-bibs-1477068521293-46lispwzz5hl-cbee809.jpg?quality=90&resize=310%2C403 2x, https://images.immediate.co.uk/production/volatile/sites/21/2019/03/winter-thermal-bibs-1477068521293-46lispwzz5hl-cbee809.jpg?quality=90&resize=465%2C604 3x, https://images.immediate.co.uk/production/volatile/sites/21/2019/03/winter-thermal-bibs-1477068521293-46lispwzz5hl-cbee809.jpg?quality=90&resize=620%2C806 4x" type="image/jpeg"> <img class="wp-image-278276 size-portrait_thumbnail image-handler__image image-handler__image--aspect no-wrap js-gallery-grid-src-image" src="https://images.immediate.co.uk/production/volatile/sites/21/2019/03/winter-thermal-bibs-1477068521293-46lispwzz5hl-cbee809.jpg?quality=90&resize=295%2C383" width="295" height="383" data-crop-width="" data-crop-height="" alt="Thermal winter bibs can make the difference between enjoying a cold ride and just enduring it" title="winter-thermal-bibs-1477068521293-46lispwzz5hl-cbee809" style="width: auto; height: 100%;"> Thermal winter bibs can make the difference between enjoying a cold ride and just enduring it James Huang / Immediate Media

When the temperatures drop, you’ve got three main options for keeping your lower body warm: thermal tights over your regular bib shorts, thermal tights with a chamois, or thermal leg warmers with bib shorts.

Winter cycling survival guide 11 tips to keep you riding in cold, wet conditions While many riders prefer the fit, performance and versatility of bib shorts with leg warmers, the thin layer of Lycra in your normal shorts is a weak link in your winter armor. Enter the thermal bib short.

But simply being warm isn’t enough. Overly thick material may feel fine in the store or when standing outside, but cycling shorts need a good cut, compression and stretchy rebound to feel good when your legs are turning over thousands of rotations. Poor winter bibs — like poor tights — can sag away from your body, causing chafing and other discomfort. A well-cut performance material that wicks and conforms to your body and its movements is essential. Likewise, a quality chamois and proper chamois placement are vital.

We have tested a dozen or more thermal bib shorts over the past two winters , and here are our five favorites:

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Thermal bib shorts Price Weight Warmth Fit Chamois Value Overall score Endura Thermolite $115 / £69 249g 4 3.5 3 4.5 4 Castelli Nano Flex $129 / £TBC 199g 4 4 4 4 4 Alé Ponente Winter $160 / £95 185g 4 5 4.5 5 5 Rapha Pro Team Thermal $290 / £190 217g 4.5 4.5 4 3.5 4 Assos T.tiburu S7 $279 / £175 216g 5 4.5 5 4 4.5 All bibs shown here are on a 6ft rider in size L, except Endura, which fits roughly the same in size M. Note that a heavier weight doesn’t necessarily mean thicker or warmer bibs. The Endura bibs, for example, have heavy elastic and silicone leg grippers, while the Alé bibs have lighter grippers and bib straps

Alé Ponente Winter 5.0 out of 5 star rating

<img src="https://images.immediate.co.uk/production/volatile/sites/21/2019/03/1422502019966-s9t7w5slfile-6bbfca0.jpg?quality=90&lb=1600,900&background=white" srcset="https://images.immediate.co.uk/production/volatile/sites/21/2019/03/1422502019966-s9t7w5slfile-6bbfca0.jpg?quality=90&lb=1456,819&background=white 1456w, https://images.immediate.co.uk/production/volatile/sites/21/2019/03/1422502019966-s9t7w5slfile-6bbfca0.jpg?quality=90&lb=1112,625&background=white 1112w, https://images.immediate.co.uk/production/volatile/sites/21/2019/03/1422502019966-s9t7w5slfile-6bbfca0.jpg?quality=90&lb=940,528&background=white 940w, https://images.immediate.co.uk/production/volatile/sites/21/2019/03/1422502019966-s9t7w5slfile-6bbfca0.jpg?quality=90&lb=728,409&background=white 728w, https://images.immediate.co.uk/production/volatile/sites/21/2019/03/1422502019966-s9t7w5slfile-6bbfca0.jpg?quality=90&lb=556,312&background=white 556w, https://images.immediate.co.uk/production/volatile/sites/21/2019/03/1422502019966-s9t7w5slfile-6bbfca0.jpg?quality=90&lb=355,199&background=white 355w, https://images.immediate.co.uk/production/volatile/sites/21/2019/03/1422502019966-s9t7w5slfile-6bbfca0.jpg?quality=90&lb=340,191&background=white 340w, https://images.immediate.co.uk/production/volatile/sites/21/2019/03/1422502019966-s9t7w5slfile-6bbfca0.jpg?quality=90&lb=320,180&background=white 320w, " sizes="(min-width: 992px) 940px, (min-width: 768px) 728px, (min-width: 576px) 556px, calc(100vw - 20px)" width="1600" height="900" class="wp-image-278296 alignnone size-full img-container__image" alt="The Alé thermal bibs fit and function like good high-end bibs — but are warmer" title="1422502019966-s9t7w5slfile-6bbfca0" data-source-name="James Huang / Immediate Media"> The Alé thermal bibs fit and function like good high-end bibs — but are warmer James Huang / Immediate Media

Price : £95 / $160 / AU$TBC Buy now from Alé Never heard of Alé? You may know this product better than you think. Based in Verona, Italy, the company APG has been producing high-end stock and custom product for brands like Giordana, Vermarc, Craft and many more for three decades. Alé is APG’s house brand. Think Giant Bicycles, which produces bikes for other top-end brands and its own, but for clothing.

In the US, Alé is selling consumer direct, cutting out some cost. In the UK, it’s sold online and in stores. Bottom line: You’re getting top quality at a great price.

We love these bibs because they feel just like standard high-end bibs, but warmer. After 30 years of constructing pro-team and standard riding gear for so many brands, APG staffers are experts in their craft. The soft, anatomic chamois is perfectly cut and placed. The Super Roubaix body fabric wicks and conforms snugly to the body while riding. And the wide but thin compression leg bands are a high-end touch, where most brands just go with a heavy piece of elastic with silicone grippers.

Assos T.tiburu S7 4.5 out of 5 star rating

<img src="https://images.immediate.co.uk/production/volatile/sites/21/2019/03/1422502019980-61hw0lcyergd-602a5f7.jpg?quality=90&lb=1600,900&background=white" srcset="https://images.immediate.co.uk/production/volatile/sites/21/2019/03/1422502019980-61hw0lcyergd-602a5f7.jpg?quality=90&lb=1456,819&background=white 1456w, https://images.immediate.co.uk/production/volatile/sites/21/2019/03/1422502019980-61hw0lcyergd-602a5f7.jpg?quality=90&lb=1112,625&background=white 1112w, https://images.immediate.co.uk/production/volatile/sites/21/2019/03/1422502019980-61hw0lcyergd-602a5f7.jpg?quality=90&lb=940,528&background=white 940w, https://images.immediate.co.uk/production/volatile/sites/21/2019/03/1422502019980-61hw0lcyergd-602a5f7.jpg?quality=90&lb=728,409&background=white 728w, https://images.immediate.co.uk/production/volatile/sites/21/2019/03/1422502019980-61hw0lcyergd-602a5f7.jpg?quality=90&lb=556,312&background=white 556w, https://images.immediate.co.uk/production/volatile/sites/21/2019/03/1422502019980-61hw0lcyergd-602a5f7.jpg?quality=90&lb=355,199&background=white 355w, https://images.immediate.co.uk/production/volatile/sites/21/2019/03/1422502019980-61hw0lcyergd-602a5f7.jpg?quality=90&lb=340,191&background=white 340w, https://images.immediate.co.uk/production/volatile/sites/21/2019/03/1422502019980-61hw0lcyergd-602a5f7.jpg?quality=90&lb=320,180&background=white 320w, " sizes="(min-width: 992px) 940px, (min-width: 768px) 728px, (min-width: 576px) 556px, calc(100vw - 20px)" width="1600" height="900" class="wp-image-278311 alignnone size-full img-container__image" alt="The Assos bibs are the warmest of the bunch, combing waffle thermal fabric on the legs with a windproof crotch panel" title="1422502019980-61hw0lcyergd-602a5f7" data-source-name="James Huang / Immediate Media"> The Assos bibs are the warmest of the bunch, combing waffle thermal fabric on the legs with a windproof crotch panel James Huang / Immediate Media

Price : £175 / $279 / AU$TBC Buy now from Assos Yes, it’s expensive. But for very cold days, the S7 winter bib is in a class of its own, thanks to warm but high-performing waffled fabric, immaculate pad placement, a windblock crotch panel and well-thought-out cuts — and that’s why it scores a full five marks. The waffle fabric offers great warmth thanks to the trapped little pockets of air (loft is a good thing for winter clothing — think puffy jackets).

We’ve tried a number of bib tights with wind- or thick waterproof material on the entire front portions and these can be warm on very cold days, but they don’t move well. Even when just pulling them on, bib tights with wind-treated leg panels are stiff and often seem to test the seams. The Tiburu bibs move like great summer shorts, but with a warm thermal fabric throughout, and just enough windblock in that critical area.

This new winter bib uses the same partially free-floating chamois construction as S7. Our only gripe here is the straps are more taut than others and the abrupt transition from shorts to straps is noticeable at the stomach.

Endura Thermolite Winter 4.0 out of 5 star rating

<img src="https://images.immediate.co.uk/production/volatile/sites/21/2019/03/1422502020008-b3avi4gwfnvt-09929f3.jpg?quality=90&lb=1600,900&background=white" srcset="https://images.immediate.co.uk/production/volatile/sites/21/2019/03/1422502020008-b3avi4gwfnvt-09929f3.jpg?quality=90&lb=1456,819&background=white 1456w, https://images.immediate.co.uk/production/volatile/sites/21/2019/03/1422502020008-b3avi4gwfnvt-09929f3.jpg?quality=90&lb=1112,625&background=white 1112w, https://images.immediate.co.uk/production/volatile/sites/21/2019/03/1422502020008-b3avi4gwfnvt-09929f3.jpg?quality=90&lb=940,528&background=white 940w, https://images.immediate.co.uk/production/volatile/sites/21/2019/03/1422502020008-b3avi4gwfnvt-09929f3.jpg?quality=90&lb=728,409&background=white 728w, https://images.immediate.co.uk/production/volatile/sites/21/2019/03/1422502020008-b3avi4gwfnvt-09929f3.jpg?quality=90&lb=556,312&background=white 556w, https://images.immediate.co.uk/production/volatile/sites/21/2019/03/1422502020008-b3avi4gwfnvt-09929f3.jpg?quality=90&lb=355,199&background=white 355w, https://images.immediate.co.uk/production/volatile/sites/21/2019/03/1422502020008-b3avi4gwfnvt-09929f3.jpg?quality=90&lb=340,191&background=white 340w, https://images.immediate.co.uk/production/volatile/sites/21/2019/03/1422502020008-b3avi4gwfnvt-09929f3.jpg?quality=90&lb=320,180&background=white 320w, " sizes="(min-width: 992px) 940px, (min-width: 768px) 728px, (min-width: 576px) 556px, calc(100vw - 20px)" width="1600" height="900" class="wp-image-278344 alignnone size-full img-container__image" alt="Endura has a great budget option for winter" title="1422502020008-b3avi4gwfnvt-09929f3" data-source-name="James Huang / Immediate Media"> Endura has a great budget option for winter James Huang / Immediate Media Price : £69 / $115 / AU$TBC Buy now from Endura If anyone knows about riding in lousy weather, it’s the Scottish. And with the Thermolite Winter bib, Scottish clothing brand Endura offers tremendous value. The brushed thermal fabric is coated externally with a Repel Teflon for a little water repellency.

Although the chamois isn’t quite as sculpted as the others here (note how the chamois folds flat when hanging, compared to our other favorites in the last photo in the gallery), it is well executed for the price, with gel inserts, an antibacterial finish and, most importantly, a comfortable feel and appropriate placement.

Endura sizing runs big, about a full size larger than everything else in this test, so size down accordingly.

Castelli Nano Flex 4.0 out of 5 star rating

<img src="https://images.immediate.co.uk/production/volatile/sites/21/2019/03/1422502019991-3dawl4g9szfq-c44c80d.jpg?quality=90&lb=1600,900&background=white" srcset="https://images.immediate.co.uk/production/volatile/sites/21/2019/03/1422502019991-3dawl4g9szfq-c44c80d.jpg?quality=90&lb=1456,819&background=white 1456w, https://images.immediate.co.uk/production/volatile/sites/21/2019/03/1422502019991-3dawl4g9szfq-c44c80d.jpg?quality=90&lb=1112,625&background=white 1112w, https://images.immediate.co.uk/production/volatile/sites/21/2019/03/1422502019991-3dawl4g9szfq-c44c80d.jpg?quality=90&lb=940,528&background=white 940w, https://images.immediate.co.uk/production/volatile/sites/21/2019/03/1422502019991-3dawl4g9szfq-c44c80d.jpg?quality=90&lb=728,409&background=white 728w, https://images.immediate.co.uk/production/volatile/sites/21/2019/03/1422502019991-3dawl4g9szfq-c44c80d.jpg?quality=90&lb=556,312&background=white 556w, https://images.immediate.co.uk/production/volatile/sites/21/2019/03/1422502019991-3dawl4g9szfq-c44c80d.jpg?quality=90&lb=355,199&background=white 355w, https://images.immediate.co.uk/production/volatile/sites/21/2019/03/1422502019991-3dawl4g9szfq-c44c80d.jpg?quality=90&lb=340,191&background=white 340w, https://images.immediate.co.uk/production/volatile/sites/21/2019/03/1422502019991-3dawl4g9szfq-c44c80d.jpg?quality=90&lb=320,180&background=white 320w, " sizes="(min-width: 992px) 940px, (min-width: 768px) 728px, (min-width: 576px) 556px, calc(100vw - 20px)" width="1600" height="900" class="wp-image-278324 alignnone size-full img-container__image" alt="Castellli's shorts fit quite snugly and run a little long" title="1422502019991-3dawl4g9szfq-c44c80d" data-source-name="James Huang / Immediate Media"> Castellli’s shorts fit quite snugly and run a little long James Huang / Immediate Media

Price : £TBC / $129 / AU$TBC Buy now from Castelli Castelli Nano Flex arm and leg warmers have been a regular part of our wardrobe for years because they are warm, compressive and water repellent. Note: They are repellent , not resistant and certainly not waterproof. If you are in a downpour you’re still going to get wet, but if you’re getting sprayed by a passing car the water will just bead up and roll off. These bibs are made similarly.

As with all Castelli products, these bibs fit snugly. The KISS3 chamois is decent quality and perfectly adequate for longer winter rides, but it’s not the company’s top end. What you’re getting here is warmth, water repellency, wicking and a compressive fit.

Rapha Pro Team Thermal 4.0 out of 5 star rating

<img src="https://images.immediate.co.uk/production/volatile/sites/21/2019/03/1422502020029-1h127hr0wn1i3-1768cfa.jpg?quality=90&lb=1600,900&background=white" srcset="https://images.immediate.co.uk/production/volatile/sites/21/2019/03/1422502020029-1h127hr0wn1i3-1768cfa.jpg?quality=90&lb=1456,819&background=white 1456w, https://images.immediate.co.uk/production/volatile/sites/21/2019/03/1422502020029-1h127hr0wn1i3-1768cfa.jpg?quality=90&lb=1112,625&background=white 1112w, https://images.immediate.co.uk/production/volatile/sites/21/2019/03/1422502020029-1h127hr0wn1i3-1768cfa.jpg?quality=90&lb=940,528&background=white 940w, https://images.immediate.co.uk/production/volatile/sites/21/2019/03/1422502020029-1h127hr0wn1i3-1768cfa.jpg?quality=90&lb=728,409&background=white 728w, https://images.immediate.co.uk/production/volatile/sites/21/2019/03/1422502020029-1h127hr0wn1i3-1768cfa.jpg?quality=90&lb=556,312&background=white 556w, https://images.immediate.co.uk/production/volatile/sites/21/2019/03/1422502020029-1h127hr0wn1i3-1768cfa.jpg?quality=90&lb=355,199&background=white 355w, https://images.immediate.co.uk/production/volatile/sites/21/2019/03/1422502020029-1h127hr0wn1i3-1768cfa.jpg?quality=90&lb=340,191&background=white 340w, https://images.immediate.co.uk/production/volatile/sites/21/2019/03/1422502020029-1h127hr0wn1i3-1768cfa.jpg?quality=90&lb=320,180&background=white 320w, " sizes="(min-width: 992px) 940px, (min-width: 768px) 728px, (min-width: 576px) 556px, calc(100vw - 20px)" width="1600" height="900" class="wp-image-278363 alignnone size-full img-container__image" alt="Early Rapha shorts tended to lack compression and shape. The Pro Team Winter Bibs, however, are dialed on both fronts" title="1422502020029-1h127hr0wn1i3-1768cfa" data-source-name="James Huang / Immediate Media"> Early Rapha shorts tended to lack compression and shape. The Pro Team Winter Bibs, however, are dialed on both fronts James Huang / Immediate Media

Price : £190 / $290 / AU$TBC Buy now from Rapha Many of Rapha’s early bib shorts didn’t impress us, as the material wasn’t nearly compressive enough. The Pro Team line has solved this with high performance fabrics and cuts. Rapha’s strong suit has always been aesthetics and now working with pro teams and experienced factories has contributed to a solid product for riders who put in big miles.

The Pro Team Thermal has far and away the thickest chamois pad of the bunch, sewn in two pieces down the center. But the half-moon inserts for sit-bone support are well placed, and the end result is all-day comfort. One tester, Robin Wilmott, selected these bibs for a 130-mile rainy trek from London to Bristol (our two UK headquarters). His legs were shattered at the end of the day, but his backside was still plenty comfortable.

Also worth considering… Four other thermal shorts you should also consider, based on the positive feedback of our testers:

Bontrager Race Thermal — £75 / $119 / AU$TBC Pearl P.R.O. Thermal — £109 / $175 / AU$TBC Sportful Fiandre No-Rain — £71 / $109 / AU$TBC