Hydrapak Big Sur hydration pack review

Great pack, although valve needs revision

Our rating 
4.0 out of 5 star rating 4.0
GBP £63.61 RRP | USD $75.00
Hydrapak Big Sur Hydration Pack

Our review

Good alternative to bigger brands but needs a better bite valve
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Hydrapak have upped their game to produce this tough but lightweight pack that doesn’t quite scrape in under the budget barrier any more but still performs well.


We easily found homes for everything in the multitude of pockets but there aren’t any that can be accessed on the move.

The mesh-backed shoulder straps have Hypalon reinforcement – the same semi-rigid, strong material that CamelBak use to anchor their harness.

As a result, the Big Sur copes far better with heavy loads than we expected it to, even though the removable waist strap offers little in the way of load bearing.

There’s a Hydratunes port for running your headphone cable safely out of harm’s way but no soft pocket for the MP3 player. 


The pack comes with Hydrapak’s slide-top bladder, complete with an incontinent bite valve that’s all too easy to knock open while riding.

Product Specifications


Name Big Sur (09)
Brand Hydrapak

Description Back system: form-itting foam back Harness: S-curved hypalon reinforced straps, padded shoulder straps, adjustable chest strap, removable waist strap Storage: bladder sleeve, 1 main and mesh, 1 small organiser, 2 front sleeves, front gusset, side compression straps, hydratunes port
Weight (g) 660
Available Colours Blue Charcoal
Dimensions 17x8.5x4in
Shell Material Nylon
Strap Features Padded
Water Capacity 3
Bag Volume 450