For glacier traverses, above-treeling ultras, and any adventure where you're under the sun, keep cool with the packable, UPF 50+ ActiveIce Cap. The ActiveIce fabric actually lowers skin temperature as it wicks perspiration, keeping you cooler than if you were wearing nothing at all.
External Breathable Mesh Panels
Reflective Logo and Trims
One-Handed Drawcord Adjustment