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Interbike 2004, Interbike OutDoor Demo; Bootleg Canyon, Boulder City, Nevada, USA, October 4-5, 2004

The new Polarpak has two chambers - one for water and one for the gel that when frozen keeps water cool for 4-5 hours. The Polarpak comes inside its own pack and can also be fitted into other hydrating packs.
Photo ©: Kristy Scrymgeour/Cyclingnews.com

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