evo.com | BlackStrap Long Underwear Bottoms > The BlackStrap Summit Pants are your all-season base layer for chasing lines and chasing light. With an athletic fit, flat-lock stitching, and breathable warmth, they move with you from the skin track to the summit. Cozy, durable, and adventure-ready, you might even forget you have this perfect baselayer on. Athletic Fit Midrise Waistband Ventra / SpectraUV / DriFlo Versa Fabric 88% Polyester / 12% Spandex Gusset Panel | Women's BlackStrap Summit Pants 2026 - X-Large Purple | Spandex/Polyester