The Ibex Men's Woolies Pro Tech 3/4 Length Bottom are our lightest weight base layer ever, perfect for most cool and cold conditions. Nuyarn is a spinning technology that makes merino 35% more thermally efficient, 85% more elastic, and 8.8x more durable than its ring-spun counterparts. Super soft, no-ride elastic and flatlock stitching ensure all-day comfort. The 3/4 length design is tailored to eliminate bulk in ski or snowboard boots. Features include a nylon core for durability, flatlock seams to reduce chafing, a covered elastic waistband, and a two-way fly.