It uses a material called “Comfor Heat®,” which absorbs moisture, generates heat, and maintains the warmth. Their sweat-absorbing and fast-drying properties instantly wick away moisture and dry the fabric. This prevents stuffiness and chills caused by sweating, and maintains a dry, comfortable environment. Under tights compatible for weather of 5°C. They fit snugly against the body with a soft, gentle feel against your skin and protect your legs and hips from the cold. They can be worn for a wide range of activities such as for cycling sports or as daily wear.