Approved To EN 397: 440V a.c, LD, MM, GOST: 90°C, LD, 2000V a.c. and ANSI/ISEA Z89.1-2009 Type 1 Class G (2000V a.c.) Key Features Weight: 363g with Slip Ratchet headband 382g with Wheel Ratchet headband Shell Material: Glass-Reinforced Plastic (GRP) Peak Type: Full (40mm) Cradle: Terylene cradle with Slip or Wheel Twist2Fit Ratchet, complete with Brushed Nylon Sweatband Product Codes: S22*A (Slip) S22*R (Ratchet) *Insert colour of helmet (i.e. W for White)