squaregarden Baseball Cap Hat,Running Golf Caps Sports Sun Hats Quick Dry Lightweight Ultra Thin polyester Quick Dry Material: 100%polyester. Moisture wicking, lightweight baseball cap (only 2 ounces), quick drying polyester and mesh construction. Adjustable running hats, one size fits most. Size details(approx) - brim: 2.5"(6.5cm); height: 4.5"(12cm); circumference(outer): 19.5-21.5"(50-55cm), an elastic adjustable belted strap on back has enough length for a snug fit. Baseball style cap,mesh panels on both sides for breathability keep you cool.Twill visor on front offers great protection from the sun and harmful UV rays.Crushable,packable,portable,breathable,Ideal for running, golf, tennis, fishing, hiking, camping, sailing, daily walks, beach and more outdoor activities. Package included:1x golf cap;Weight Approx:55 gram/2 OZ.Suitable for unisex,both men and women. An easy care running accessory: machine wash and air dry.