Breathable, Durable Fabric: Our thermal leggings for women feature inner and outer layers of fabric constructed from a blend of 60% combed ring-spun cotton and 40% polyester Relaxed Fit: These long johns for women feature a tagless design and flat seams for a comfortable next-to-skin feeling; A generous cut and loose fit allow for comfortable movement Efficient Design: These warm leggings for women feature convenient ribbed cuffs that help maintain coverage without restricting freedom of movement Comfortable Base Layer: Our women's thermal underwear comes equipped with a Thermachoice System that traps air between layers to provide a natural barrier of warmth Combats Cold Conditions: Our winter leggings for women allow for minimal layering in cold to very cold conditions during low- to medium-exertion activities like hiking, camping, and even lounging; Perfect for casual or active wear Tagless Garment with Flat Seams for Comfort