Ultra high strength outer shell. Ribbed upper section dissipates impact energy. All round protection, down to 60° from vertical. Large print area on front & sides for logo printing. Extremely comfortable terylene webbing moulds to the individual wearer's head. Lightweight EPS liner reduces weight while still offering maximum protection. Intuitive thumb and forefinger press points for easy adjustment of the wheel ratchet, offers diverse size ranges for true 'One Size Fits All'. Standards : EN14052 440V; EN397