I bought it new, but I haven't worn it even once. Under Armour UNDER ARMOUR Arm Sleeves (Baseball/MEN) 1276813 Baseball, Outdoor Sports, Gym, Exercise, Club Activities, Men's Lightweight, Stretchable, Sweat-Absorbent, Quick-Drying, Dry, Stretch, For Both Arms 【Product Description】 Uses lightweight and stretchable material. Sweat-wicking technology keeps athletes' bodies dry at all times. Moderate compression suppresses unnecessary muscle vibration and supports performance. Sleeve length is approximately 43cm. Moderate compression suppresses unnecessary muscle vibration and reduces fatigue. 4-way stretch: Excellent stretchability in 4 directions. Moisture Control: Quickly absorbs sweat and releases it to the outside, keeping athletes' bodies dry at all times.