Built with sweat-wicking technology to keep you dry and comfortable while you're on the field. The flat seam design helps to reduce uncomfortable chafing. Benefits:Nike Dri-FIT technology moves sweat away from your skin for quicker evaporation, helping you stay dry and comfortable. Flat seams help minimize chafing. [] Product Details:53% polyester/25% nylon/22% rubber. Embroidered logo. Hand wash. Imported. Style: JFN00; Color: Black; Size: One Size; Gender: Unisex; Age Group: Adult | Jordan Dri-FIT Skinny Arm Bands (2-Pack) in Black, Size: One Size | JFN00-010