Actpe Basketball Strengthen Kneepad Honeycomb Pad Crashproof Antislip Hand Arm Elbow Long Sleeve Protective Pad - Black Size: (S,M,L,XL.) Material: high quality soft & elastic polyester fabric. Nice workmanship, with honeycomb pad design to protect Arm from crash, as well with anti slip band, no easy to fall off The fabric is breathable and elastic, the sweat can be expeled from the breathable fabric. You should read the description and size specification carefully before buy this product.