This casual mesh back trucker sports, the Richardson 110 is a Mid Pro crown with R-Flex stretch sizing for a performance-forward fit, while a Comfort Stretch sweatband delivers all-day comfort. KEY FEATURES & BENEFITS: Our signature trucker mesh offers the ultimate in airflow R-Flex technology stretches for simpler sizing and an ideal fit A Comfort Stretch sweatband delivers all-day comfort Style: 6 Panel Profile: Mid Pro Bill: Precurved Sweatband: Comfort Stretch Fabric:Cotton-Polyester Twill/Stretch Trucker MeshArmy Camo/Black: Cotton Spandex Twill Composition:Front: 60% Cotton/40% PolyesterBack: 95% Polyester/5% Spandex Fit: R-Flex Size:SM-MD (7 - 7 1/4)LG-XL (7 3/8 - 7 5/8)