The Speedfil Mutil-Sport Hydration System from Inviscid Designs is one of the most innovative of its kind in the industry. With a focus on maintaining your aero position while hydrating you are sure to shave considerable time from sitting up to refuel. The SpeedSok fits snugly over your Speedfil systems keeping your beverages nice and cool no matter it is is a nice spring day or 90 degree on the lava fields of Kona!
Available in 5 different colors
Keeps beverages cool
Works only with Speedfil Hydration Systems
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