Specialized Women's SL Sleeveless Base Layer - Black Helmets By increasing viscosity and adding

By increasing viscosity and adding Calcium Sulfonate to the mix

while providing off-road traction by featuring wide-spaced shoulder blocks that bite into soft ground

a flat kit

Rear-facing LED indicators and audible alerts are custom-built into the React Drive

Zippered ankle for easy off and on

Specialized Women's SL Sleeveless Base Layer - Black Helmets By increasing viscosity and addingPulling on an extra layer when the thermometer's rising might seem counterintuitive, but a proper base layer, like the Women's SL Sleeveless Base Layer, can make all the difference. Wearing a lightweight base layer helps wick sweat away from the body, generating an even greater cooling effect. This is all due to the wicking properties of our VaporRize mesh fabric. To top it off, features like soft puff stitching eliminate abrasion inducing seams,