Outdoor Research ActiveIce Spectrum Sun Long Sleeve Tee – Women's midlayer the Active Brief handles everything

the Active Brief handles everything from long runs to cross-country flights without missing a beat

Reflective details add low-light visibility for early-morning or evening workouts

Built for paddlers

and Ivory/Creek

Outdoor Research ActiveIce Spectrum Sun Long Sleeve Tee – Women's midlayer the Active Brief handles everythingBuilt for long days exposed to the Southern sun on trail, ridge, or open country the ActiveIce Spectrum is our top pick for women who need serious UV protection without overheating. ActiveIce fabric cools on contact and manages moisture while blocking harmful rays, so you're comfortable, not just covered. Full arm coverage handles high UV conditions without sacrificing breathability. UPF sun protection built into the ActiveIce fabric shields arms and