Conforms to LD, -40c, EN 50356 1000V a.c. Maximum impact and lateral deformation protection. Extremely lightweight ABS shell – weighs 300g, 20% lighter than most other helmets.  Maximum comfort and balance for prolonged wear.  Terylene cradle and hydro-flock sweatband.  Extra nape protection. Crown and rear ventilation holes.  Connect slot compatible with modular accessories.