ASICS Men's Rival II Singlet Electronics The calf muscle is often

The calf muscle is often considered the second heart as it plays an important role within the circulatory system of the body

Stretch knit fabric with brushed lining for warmth and comfort

7-position adjustable snapback

Single button for quick and easy selection of brightness or light color

in inclement weather - we've all been stuck in a storm

ASICS Men's Rival II Singlet Electronics The calf muscle is oftenSimple, smooth and sleek, the redesigned ASICS Rival II Singlet is the perfect racing top for track and field, cross country, and road races. Flat seams eliminate chafing and lightweight moisture transfer fabric keeps you dry and comfortable. Hydrology moisture wicking technology Racerback design Self color sewn in side panel Slight drop tail Durable double needle binding at neck and armholes Main body: 100% micro polyester