evo.com | Outdoor Research Activewear Tees > Thermoregulating ActiveIce(TM) technology cools your skin as your effort ramps up, giving the Outdoor Research ActiveIce Spectrum Sun Long-Sleeve T-Shirt an edge on the sunniest, sweatiest days. UPF 50+ protection and quick-drying bluesign(R) approved fabric make it a go-to for long approaches, paddle days, or anything that keeps you out from sunup to sundown. Regular Fit UPF 50+ bluesign(R) approved 94% Polyester / 6% Spandex Thermo-Regulating Cooling ActiveIce(TM) Treatment Center Back Length 69.9 cm / 27.5 in | Women's Outdoor Research ActiveIce Spectrum Sun Long-Sleeve T-Shirt 2027 - Large Gray | Spandex/Polyester