The Mens Arcteryx Kappa Pants feature new N80p-X Windstopper fabric. Made from the newest Windstopper fabric, the Kappa Pants block wind completely with better durability and a comfortable touch. The moisture-resistant outer face fabric features DWR finish to protect you from the elements. Insulated with thick compressible Coreloft 140, these Arc'teryx outerwear pants trap heat inside while maintaining breathability to let excess heat escape. Cut roomier than Arcteryx's Athletic fit, the Kappa Pants feature the Expedition fit which accommodates multiple layers without binding or restricted movement. The articulated and reinforced knees and seat provide excellent mobility and durability. Other features include full length separating side zippers with wind flap, inverted 'belay' fly and internal waist belt, and adjustable hem drawcord. The Unisex Arcteryx Kappa Pants are ideal for trekking and backcountry skiing.