Our iM Sports Cooling Arm Sleeves for Golf block 98% of harmful UV rays and they are proudly MADE IN THE USA! The no slip gripper keeps them firmly in place during all 18 holes and the wick away fabric blend will keep you comfy in almost any weather. NW Sleeves even provide mild compression which can reduce soreness after a long day on the course. Most of the compression comes from the gripper at the top. Be sure to look at the size chart before deciding.