Stay warm and dry with the Archer golf cap — featuring a fleece lining, ear flaps for extra protection, and high-tech waterproof material designed to keep you dry. Pertex Shield is a high-tech, lightweight waterproof material that is breathable, stretchy, and PFAs free. This cap’s width can be adjusted at the back with velcro and elastic to ensure a snug fit. Circumference for size small is 54 to 56 cm (21,3 to 22 inches), medium is 56 to 58 cm (22 to 22,8 inches) and large is 60 to 62 cm (23,6 to 24,4 inches).