The foam non-adhesive sport underwrap is sweatproof and breathable: the sport tape is made of foam, which has strong scalability that allow you to adjust the tightness and don't break easily; The pre wrap tape is comfortable and breathable, has nice absorption effect. When applied under the adhesive bandage, you don't need to worry about that the adhesive bandage being unable to stick on the skin with sweat when exercising. The foam sport underwrap is a nice protector for skin, convenient to use, just wrap the underwrap on your bandaging position, then use your own sport tape over it, which can avoid the adhesive bandage being applied directly to your skin, which helps to reduce skin irritation. The underwrap tape can be applied with the adhesive bandage for protecting ankles, wrist and knees for fitness, basketball, soccer, cycling, hiking and more.