Revelate Designs Wampak

£95.00 Inc. VAT

Out of stock


The Wampak is a winter cycling specific hydration pack that works with you to keep your fluids freeze free and readily available.

Designed to be worn over your base layer and under everything else, the Wampak works on a simple principle: By using only a 3D Spacer weave as the back panel; your body heat keeps the bladder and hose warm while a layer of insulating foam and heat reflective fabric prevent heat loss through the back. The hose and bite valve are still routed both under your layers and under arm to prevent freezing and preventing residual drainage that typically still freezes the bite valve after blowing back to clear the line in cold temps.

The pack fits any 100 oz bladder, a “cold finger proof” hassle free magnetic buckle accesses the bladder opening which is optomized for Camelbak Antidote bladders. An insulated velcro flap allows access to the hose quick disconnect port. The hose can be routed under either arm, or over either shoulder in warmer temps.

Since this pack is worn under clothing we incorporated side release buckles to the bottoms of the shoulder straps so you can easily take off the pack without taking off all your clothing. We’ve found this to be a particulary important feature for racing and aid-stations. The shoulder straps are all mesh and 3d spacer weave for pass-thru breathability.


  • Fits 100 oz bladders
  • 4 hose exit options, under either arm, or over either shoulder
  • Adjustable position sternum strap
  • Glove friendly magnetic closure
  • Dual stretch woven chest pockets
  • Heat reflective liner fabric with insulating outer foam


Made in the USA from domestic and imported materials

Read more on the BLOG


  • Weight:  9.0 oz
  • Volume:  100 oz max bladder size
  • Materials:  3D Spacer Weave, Aluminized heat reflective ripstop, Closed cell foam, VX-07


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