The Below Zero Performance Tight is the perfect thermal long johns to keep you warm. The extra durable four way stretch provides support and ease of movement in all directions. The smooth face of the fabric is great for layering and brushed back is soft and cozy against your skin. Whether snowboarding, cross country skiing, hiking, or winter running, Below Zero is warm functional performance at its best! The Women's Below Zero 3.0 Tight goes perfectly with the Women's Below Zero 3.0 Crew and other pieces from the Below Zero collection.