The Steiner Super Warm thermal is designed to keep you extra warm. Made from a combination of polyester, viscose rayon and lycra, the Soft-Tec Super Warm range is comfortable to wear owing to its soft jersey construction and brushed internal finish. The viscose rayon creates a proven thermal layer that is technically advanced and sustainable. They are 220g of highly insulated thermal fabric with low air permeability and the added integration of extensive moisture wicking action; making this garment perfect for those active, adventurous users.