Leatt, MTB AllMtn 1.0 Men, Helmet, Stealth, S, 51-55cm

• Polymer Compound shell in three sizes • MaxiFlow impact foam air channels effective even at low speed • 360° Turbine Technology • Reduced peak brain acceleration by up to 30% at impact speeds associated with concussion • Reduces peak brain rotational acceleration by up to 40% • Extended rear coverage for added protection • Adjustable visor with breakaway function for rotational impact force reduction • In-molded impact foam for great energy absorption • Maximized ventilation with 14 vents effective even at low speeds • Moisture wicking, breathable, and washable inner liner • Certified and tested: AS/NZS 2063:2008, EN1078, CPSC 1203 • Weight: from 320g (0,70 lbs) • Plastic Free Recyclable Packaging • Sizing: • Sizing: S (51-55cm –20-21 5/8"), M (55-59cm –21 5/8-23 1/4"), L (59-63cm –23 1/4-24 3/4")