PING Patch Cap - Hyper Tech Wool/Poly Spandex [97% polyester, 3% Spandex] - 110 ultra-comfortable headband with moisture-wicking SensorCool Technology - Sonic-welded silicon logo on suede patch with cover stitch - Updated with heather texture and stretch fabric - Hyper Tech Wool Spandex engineered to pull heat from your head to keep you cool - Snapback closure for fit and comfort - Smooth, classic wool design - One size fits most