evo.com | Outdoor Research Activewear Tees > The Outdoor Research ActiveIce Spectrum Sun Long Sleeve Tee uses thermoregulating ActiveIce(TM) technology to cool your core as your body heats up, plus UPF 50+ keeps you covered for long days fully exposed to the sun. Chafe-free seams and dynamic reach patterning mean the sleeves stay put through every cast, paddle stroke, or scramble. Regular Fit UPF 50+ 94% Recycled Polyester / 6% Spandex Center Back Length 71.1 cm / 28 in bluesign(R) Approved | Outdoor Research ActiveIce Spectrum Sun Long Sleeve T-Shirt Men's 2027 - Medium Blue | Spandex/Polyester