This Callaway 1/4 Zip is the layer every golfer needs to add to their wardrobe. Its knit fabrication is a blend of soft and stretch fabric (thanks to the poly-cotton blend) for full range of motion. It's built to last, offers sun protection, and the mock neck keeps you warm while looking sharp. Plus, the adjustable 1/4 zip means you can easily vent heat or lock it in-perfect for changing weather. Fit & Design: Long sleeve for extended coverage Mock neck for warmth and style 1/4 zip design for adjustable ventilation Double knit fabrication with textured hand feel Added stretch for full range of motion Polyester, cotton, and elastane blend for comfort Technology: Sun protection blocks harmful UV rays Additional Details: