Double layers of fabric for increased Protection from scratches which can lead to infections. Mild Graduating compression increases circulation to improve muscle respond and recovery. All ZGlove sleeve are constructed with fabric which has four way stretch to increase comfort and give a second skin fit. Fabric has functions of SPF 50+, Quick dry, wicking moisture and Antibacterial to keep garment smelling fresh. Use ZGlove sleeves to prevent injury and manage pain . When you feel better you perform better! Injury prevention is key to a higher quality of life , let ZGlove Arm and leg sleeves assist in your fitness and health goals .