TSLA Women's UPF 50+ Long Sleeve Athletic Rashguard FSR26 / FSR46 / FSR20 Size Chart: (XS 4-6) (SMALL 6-8) (Medium 8-10) (Large 10-12 ) (XL 12-14 ) (2XL 14-16) Tesla's original Rashguard lineup Slim-Fit Rashguard 50+SPF/UPF sun protection Durable high-density fabric that protects against rashes, abrasions, and harmful UV Rays (UPF 50+) Twisted 3-D patterns along with pristine detail design and flat-lock stitching Moisture Sensing/Quick time Dry/TWO-WAY Air Circulation. Material: Polyester 88% / Polyurethane 12%