IRH IR4G XLT Gloss Frame Helmet Fashion meets functionality in IRH's latest trend-setting helmet design, bringing another new look to the show ring. The IR4G XLT combines great looks with superior comfort and fit. The comfortable chinstrap features a quick-release easy-adjust hook-loop closure with a modified comfort harness that is slightly cut away at the back of the neck. Each helmet comes with two moisture-wicking machine-washable liners in two different thicknesses to help you find that custom fit. Ventilation ports in front, top, and back to keep you cool. Features: Fashion-forward design Superior comfort and fit Comfortable chinstrap features a quick-release easy-adjust buckle with hook-loop feature to secure strap end Two moisture-wicking machine-washable liners in two different thickness Ventilation ports in front, top and back to keep you cool Meets or exceeds ASTM F1163-15 standards Item Specifications: Sizing: Small: 15 (6 5/8 - 6 3/4) Medium: 16 (6 7/8 - 7) Large: 17 (7 1/8 - 7 1/4) X-Large: 18 (7 3/8)