UltrAspire - Zygos 5.0 Race Vest - 14L Size:L (34″-42″chest) World's lightest full-leg running underwear

World's lightest full-leg running underwear at under 40 grams

have on the go access pockets

MaxO2 Form

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UltrAspire - Zygos 5.0 Race Vest - 14L Size:L (34″-42″chest) World's lightest full-leg running underwearThe Zygos line of UltrAspire race vests are the brand's most popular and versatile model. Being lightweight, high capacity and comfortable with its wrap around design makes it a do it all option for many runners whether training, racing, run commuting or hiking. ErgoFit The ErgoFit design gives you freedom of movement and keeps the vest stable whether full or loaded. And the S curve shoulder straps are a subtle and thoughtful design that reduce neck