Stormtech PR-1W Women's Thresher Performance Polo - Carbon Heather Size:Ladies XS They naturally increase muscle mass

They naturally increase muscle mass and improve posture and balance

Essential Jacket

offering polished style without sacrificing ease

The self-mock collar exhibits an elegant yet sporty vibe

Durable low-profile steel wire construction

Stormtech PR-1W Women's Thresher Performance Polo - Carbon Heather Size:Ladies XS They naturally increase muscle massStormtech PR 1W Women's Thresher Performance Polo Carbon Heather Active technology with subtle style. A side slit hem, built in snag free stretch, and a rib knit collar and cuff keep your appearance intact. UPF Rating: UPF 40+ Fabric: 86% Polyester 10% Rayon 4% Spandex Single Jersey, 5. 28oz. yd2 (USA) 179gsm (CDN)