The Talus Womens Long Sleeve Round Neck Top is a soft-feel top with Isotherm fabric to keep you warm and dry when active. The lightweight quick drying base layer is perfect for layering and for activities like skiing and snowboarding. Isotherm - Heat retention technology ensures you stay warm High wicking - Actively wicks moisture away from the skin, keeping you dry and comfortable Quick drying - Great when you're out and about and after washing too Lightweight - Great for travelling and walking.