The High Performance Plus Climbing Safety Helmet from KASK is a cool, comfortable, lightweight helmet designed for Rope Access Workers, Working at Heights, Rescue and Arborists. - A lightweight, compact and feature-rich helmet, The new HP Plus is compact and feature-rich whilst also being certified to AS/NZS1801 Occupational Protective Helmets. KEY FEATURESHead Size - Unisize 51- 62 cm - Polygiene technology inhibits bacteria growth - Lightweight – 500 g excluding visor and ear defenders - Moisture wicking, removable, washable internal padding - Internal channels for best ventilation, keeping the head cool - Multi-direction adjustments for best fit, user comfort and safety - External lamp clip system is compatible with all current style headlamp elastic bands - Stow-able internal head harness/adjuster allows multiple helmet stacking without damage10 air intake valves are protected with aluminium anti-intrusion grilles which act as one-way membranes to deflect debris, water and chemicals from entering the helmet - Optional accessories include full face visors, half visors and bayonet style ear defenders