This men's golf base layer top from Callaway Apparel helps keep you warm on cool days. Opti-Dri™ technology effectively wicks away sweat so you can enjoy cool comfort through every swing on the green, while a double knit fabrication adds cozy, insulating warmth without unnecessary bulk. UV protection shields your skin from damaging sun rays when teeing off outdoors. 100% Polyester Double Knit Fabrication For Comfort And Warmth Opti-Dri™ Wicks Away Moisture To Keep You Dry Sun Protection To Block Harmful UV Rays Quarter-Zip Design For Temperature Control Banded Collar Long Sleeves Imported | Callaway Men's Ottoman Quarter Zip Pullover Golf Base Layer, Chinchilla/Beige, 100% Polyester