Knee guard with E.V.A. (Ethylene Vinyl-Acetate Copolymer) and "Memory-Foam" (Low Repulsive Urethane). Provides excellent feel and comfort using Memory Foam. 2 layer construction pad provides high shock absorbance performance. EVA, urethane, cotton and polyester. Made in China. PATENT PENDING. MKGL, MKGM, MKGS : White, MKGLBK, MKGMBK, MKGSBK : Black.