The Surf Series Cap combines high-performance with sleek design. Featuring a floating brim and UPF 50+ protection, it keeps the sun at bay while you ride the waves. The shock cord crown adjuster, adjustable chin strap, and neoprene headband ensure a custom, secure fit. It also has a removable neck flap for added protection and dries quickly, perfect for those long days in the surf.Features: Composition: 100% Polyester, Polyester, High profile, UPF 50+, Men's head circumference S/M=58cm/22.8", L/XL=60cm/23.6", Floating brim design, Shock cord crown adjuster, Secure adjustable chin strap, Neoprene headband, Removable neck flap, Circumference of size S/M is 58cm, Circumference of size L/XL is 60cm, Quick drying.