The WRSI Current Helmet delivers dependable whitewater protection without sacrificing comfort. Its multi-layer construction helps absorb impacts, while the plush liner and adjustable retention system provide a secure, comfortable fit all day on the river. Lightweight, ventilated, and easy to maintain, it's a great choice for paddlers of all skill levels. Features Multi-impact shell with EVA foam liner and polyurethane sub-shell for enhanced protection Plush, breathable liner for all-day comfort Interconnect Retention System helps keep the helmet secure in moving water Adjustable O-Brace Harness for a customized fit Vented shell improves airflow and drainage Removable liner for easy cleaning and drying Specifications Weight: 1.45 lbs. (Size M/L) Certification: CE EN 1385 Shell Material: ABS plastic with polyurethane sub-shell Liner Material: Removable, replaceable padded liner Vented: Yes Adjustment System: Interconnect Retention System Ear Coverage: No Ventilation: 3 ventilation/drain holes Sizing Size Head Circ. (cm) Head Circ. (in) S/M 53 - 56 20.9 - 22.0 M/L 56 - 59 22.0 - 23.2 L/XL 59 - 62 23.2 - 24.4