The EVOLite® Skyworker helmet has a suspension system and shell structure that has been designed to be used for industrial, mountaineering, rescue and leisure activities. Meeting the EN12492 standard. A helmet complying to the mountaineering standard is impact tested with two 5kg strikers. A hemispherical striker is dropped from 2 metres onto the crown of the helmet and a flat striker from 500mm on to the front, rear or side by tilting the headform to 30°. In all cases, the transmitted force through the neck of the headform must not exceed 10kN. Two penetration tests with a 3kg pointed striker are also performed within a 50mm radius of the helmet's crown without making contact with the headform. Features: Strong ABS plastic shell is lightweight and comfortable and protective.Expanded Polystyrene (EPS) Impact Liner helps absorb the forces of front, side or rear impacts.6-Point suspension system with polyester textile straps offers unrivaled comfort.Revolution Wheel Ratchet is easy to use and has a deep nape strap which enables a firm helmet fit.Unique "3D Adjustment" provides a precise fit using harness depth settings.Side and rear ventilation increases air circulation, keeping the head cool and comfortable.Includes a 4-point cross-over chin strap with quick release buckle that is adjustable for a safe & secure fit.Chamlon sweatband with porous PU coating for maximum sweat absorption.Short brim for greater visibility when looking up or in confined spaces.Meets ANSI/ISEA Z89.1, Type I, Class C requirements.EN 12492 Mountaineering standard Specs: 6-Pt Textile Suspension with EPS Liner- Wheel Ratchet Adjust- Short Brim- Vented- 4-Pt Strap- ANSI Z89.1-2014- Type I- Class C- EN 12492 Case Quantity: 10