CW-X Arm Covers For both arms, with thumbholes These arm covers offer a comfortable fit and excellent sweat absorption and quick-drying properties. The inner arms feature mesh material. The main fabric is made from recycled polyester yarn, an environmentally friendly material. [Product Features] ・Non-slip rubber at the arm openings ・Thumbholes for coverage of the back of the hand ・Inner arm: Mesh panel ・Logo: Reflective [Functionality] ・Sweat-absorbent and quick-drying ・UV protection rate of 90% or more ・Antibacterial and odor-resistant ・Stretch Wacoal CW-X Arm Covers