Outdoor Research ActiveIce Spectrum Sun T-Shirt – Men's Footwear_Trail & Hiking while a PFAS-free DWR finish

while a PFAS-free DWR finish sheds light moisture without slowing you down

Pockets: Kangaroo pocket for hand warming and storage

the Ride 19 is our top pick for everyday training

Water-resistant nylon shell keeps moisture out when the trail gets ugly

the Tamburello is our pick for women who want real warmth without the bulk

Outdoor Research ActiveIce Spectrum Sun T-Shirt – Men's Footwear_Trail & Hiking while a PFAS-free DWR finishWhen the miles stretch long and the sun is punishing, the ActiveIce Spectrum is our go to sun shirt for trail runners and hikers who won't back down in Southern heat. ActiveIce fabric uses evaporative cooling to actively pull skin temperature down as you sweat, while UPF 50+ blocks harmful rays on exposed ridges and open trails. A relaxed athletic fit handles everything from long trail runs to backcountry hunts. UPF 50+ sun protection blocks harmful