Before every session, Nico always makes time to strap on his signature Liquid Force Nico Helmet. The Nico Helmet incorporates a high-density ABS shell and LF exclusive dual-density foam Sweat Saver liner for all day comfort when spinning around the cable or behind the boat.• Vented micro brim shell design• Impact-rated high-density ABS shell• CE Certified EN 1385 watersports standard• Dual-density foam liner for 360° impact protection• Sweat Saver terry cloth liner for comfort and safety• Removable ear flaps includedSize Charttable, th, td {border: 1px solid black; border-collapse: collapse;}th {text-align: left;}th {padding-left: 6px;}td {padding-left: 6px;} Helmet Size Head Circumference Hat Size Small 20.6"-21.3" 6-1/2 - 6-7/8 Medium 21.4"-22.0" 6-7/8 - 7 Large 22.1"-22.9" 7 - 7-1/4 X-Large 23.0"-24.0" 7-1/4 - 7-5/8 Vented micro brim shell design Dual-density foam liner for 360° impact protection Removable ear flaps included | Liquid Force Nico Helmet in Black