REUSCH 1907501 GUARDIAN 3/4 SLEEVE PRO JERSEY This 100% polyester PK fabric has our MMSTM (MOISTURE MANAGEMENT SYSTEM) that keeps the player dryer and cooler. The AirMeshTM inserts also help keep the player cool and dry. High Resistant Body Material. Padded elbows. Sizes: AM, AL, AXL, AXXL.