The Unisex Arcteryx Atom LT Pants are insulated, wind-resistant pants using Coreloft 60 for lightweight, insulative comfort during colder conditions.Layer Arc'teryx's lightweight Atom LT Insulated Pant under your hardshell the next time you want toasty warmth in the alpine. Coreloft insulation brings the warmth without the weight in a compressible package so you can stow the pant in its pocket when you don't need it. The Tinthan shell has a DWR coating for water-resistance in case you don't want to wear the Atom LT as a midlayer. An articulated construction makes sure you can climb and ski with a full range of motion. Arc'teryx also added full-length side zippers so you can get in out and of these pants with crampons and boots on. The Men's Arcteryx Atom LT Pants are perfect for backcountry skiing and trekking.