AirPro SecurePlus Baseball Bump Cap. AirPro SecurePlus Baseball Bump Cap has been designed to provide the best in class for head retention and wearer comfort with the provision of our innovative Ratchet headband. Breathability has been enhanced with crown mesh panels on top of the perforated shell and pad for optimal coolness. Lower nape strap depth for optimum head retention; Designed to provide maximum breathability for increased coolness. Corporate badging via embroidery or transfer print; Treated with Dupont Teflon fabric protector, enabling small spills and grime to be easily wiped away. Approved To: EN 812:2012 -40°C