Properties: NIKE training sleeves provide comfort and support during physical activity. Thanks to Dri-FIT technology and UV protection, the skin remains dry and protected, and the elastic material adapts to the arm without restricting movement. Key features: Dri-FIT technology wicks away moisture and ensures comfort UV protection against solar radiation Flat seams and stretch construction for complete freedom of movement Technical specifications: Material composition: 80% polyester, 15% spandex, 5% silicone