Nathan VaporZach 2.5 L Runnng Shirt and eliminates the need for

and eliminates the need for wearing two pairs of socks in extreme playing conditions the X4 include anti-slip rubber dots on the sole for added stability

providing maximum stability and responsiveness

A new lay-up has been developed to do exactly that

The ACS-Technology allows very high speed to be combined with maximum springiness/elasticity in an ultralight rubber with outstanding control

Adjustable velcro headstrap included

Nathan VaporZach 2.5 L Runnng Shirt and eliminates the need forFeatures & Benefits This soft flask hydration race vest was developed with the precise specifications of hard charging champion runner, Zach Miller. The lightweight, form fitting, and race ready hydration vest provides a unique and stable solution to wearing water an carrying other running essentials for people who want to push their limits in training and racing. Two 12oz ExoShot soft flasks, with extended strap tubes to easily sip fluid without