1. EVA Pad Protection - Our 2 pack basketball knee pads are made of beautiful honeycom EVA foam for greater breathability. Honeycomb anti-collision design can effectively absorb and resist the impact of collision during exercise, protect you from muscle and bone damage. 2. Breathable Fabrics - 82% Nylon / 12% Spandex fabric excellent fit and comfort. Breathable and moisture wicking, compression fabric for superior and optimum comfort. Very useful to protect the leg and knee during outdoor activities. These comression sleeves are the perfect companion for any and every athletes! Fit for people of all ages and exercise levels. 3. Non Slip Knee Pads - New technology provides great grip with a silicone gel strip along the inside of the top edge. Light smooth & high elastic fitting. Can wear them all day long without worry of slipping down. Light, Flexible and breathable, setting no restriction to your movement. You can also wear these knee sleeves as base layer for added comfort to keep knee warm.