ECCO Tech Tour Lite Ankle Socks Running Light Cushion Color:BRIGHT/WHITE - COROS's latest-generation optical heart

- COROS's latest-generation optical heart rate sensor

Ergonomically designed with 95% recycled REPREVE® performance fabric and a 4-Way ULTRA STRETCH fit easily covers your nose and mouth without feeling claustrophobic or clammy

[4] Combined with HyperSmooth

this base layer will definitely add additional comfort to your Outdoor experience during performance in cool to cold weather conditions

ECCO Tech Tour Lite Ankle Socks Running Light Cushion Color:BRIGHT/WHITE - COROS's latest-generation optical heartStep onto the course or into your workout with socks engineered for peak performance and comfort. The ECCO TECH TOUR LITE ANKLE CUT SOCKS deliver targeted cushioning in key zonesfoot pad, arch, heel, and cuffmaking them a reliable choice for golf and a variety of other active pursuits. Innovative mesh panels enhance breathability to keep feet cool during intense movement, while advanced elastic fibers provide secure support in the midfoot and heel so