Description of Outdoor Research Via S/L Tee - Women's This wicking and extremely breathable sleeveless tee is ideal when the mercury rises. Flat-seam construction and off-shoulder seams eliminate chafing under pack straps and at abrasion points as you work up a sweat. The semi-fitted cut and stretch fabric has style without being too tight. Features: Lightweight, polyester TransAction™ fabric manages moisture, dries quickly; anti-microbial finish; UPF 30+ Semi-fitted, shaped cut Flat-seam construction reduces chafing Deep v-neck collar Avg. weight: 2.1 oz./60 g (size M)