Concept helemts provide high safety with low weight. Reassuring strength with feel-good comfort. Our Concept is the helmet that tore up the rule-book. Manufactured from high quality strong ABS material the Concept is 20% lighter than most other helmets Unique design provides an extended nape ensuring increased neck protection Dry-Tech Sweatband for maximum comfort for extended periods of use.Approved To: EN 397 1000V a.c - unvented shells only LD MM -40C EN 50365 ANSI/ISEA Z89.1-2014 Type 1 Class C (Class E - unvented shell only).Key Features: 315g - Reduced Peak318g - Full Peak Shell: Acrylonitrile-Butadiene-Styrene (ABS) Reduced (20mm) Full Peak (40mm) 6 point sewn white durable and hard-wearing Terylene webbing Cradle with Slip or Wheel Twist2Fit Ratchet complete with Dry-Tech Sweatband S09C*A (Full Peak Non Vented) S09C*F (Full Peak Vented) S08C*A (Reduced Peak Non Vented) S08C*F (Reduced Peak Vented) S08C*RJ (Roofer Reduced Peak) S09C*RJ (Roofer Full Peak) S09C*SH (Miner Full Peak Non Vented) S09C*FSH (Miner Full Peak Vented) S30VP (Ventplugs) * Insert colour of helmet (i.e. W for White) S30HIRS Silver High Intensity Reflective tickers.Colour Variations White Blue Light Blue Red Yellow Orange Green Hi-vis Yellow Hi-vis orange Black Grey