Outdoor Research ActiveIce Spectrum Sun SS Tee - Women's SOLE and the new fast-flowing HyFLO™

and the new fast-flowing HyFLO™ bite valve

Tap into the world’s water sources and safely drink from sketchy spigots

ensuring crucial mineral replenishment

Single chest pocket with button flap closure

for easier belaying with the VERSO

Outdoor Research ActiveIce Spectrum Sun SS Tee - Women's SOLE and the new fast-flowing HyFLO™Description Features Size Chart The ActiveIce Spectrum Sun T Shirt keeps you cool and protected through high output days under the sun. Built for hiking, running, and active pursuits in warm conditions, it balances comfort and performance when the temperature climbs. Powered by thermoregulating ActiveIce technology, it cools as your body heats up, maintaining a steady core temp through long efforts. The lightweight, breathable fabric wicks moisture,