Based upon inspiration from the the Ultimate Direction Signature Series race vests, the Fastpack 20 is a streamlined, stable pack with features and capacity for multi-day run adventures, or day-long treks where you need to carry more gear. The main compartment forgoes zippers in favor of a waterproof roll top closure, allowing the pack to tightly secure everything from 15 to 23 liters. Front pockets can carry bottles, nutrition and small accessories, or you can stash a reservoir in the rear (bottles or reservoir not included).
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*Measure in centimeters around fullest part of chest