Engineered with Polartec® Alpha® Direct insulation, these active pants deliver breathable, lining-free warmth that regulates temperature across mountain activities. Designed with a tailored fit for seamless base or mid-layer layering, 3D articulated knees provide uncompromised mobility, while a breathable mesh waistband manages moisture at key sweat zones. Complete with draft-sealing elastic cuffs and a woven stuff sack for fast, compact packability, offer ultralight performance built for variable trail conditions.