<!--ProdInc[300301254]/Mall:[backcountry_US]-->Smith makes their debut into the world of ultra-light full-face helmets with the all-new Mainline MIPS. Featuring extensive ventilation and lightweight yet tough construction, this helmet offers the airy feel of a half-shell while providing downhill-certified coverage for a boost of confidence on rowdy trails. Advanced protective features include Smiths unique Koroyd crumple zones that go above and beyond to disperse impact forces, as well as a MIPS protective layer that helps mitigate harmful oblique impacts. <h3>Details</h3> Smiths lightweight full-face for enduro and downhill ASTM certified for downhill mountain bike racing 21 vents keep you cool during summer shred sessions Koroyd layer provides superior impact absorption MIPS protects against oblique and rotational impacts Comes with multiple pad sizes to ensure a proper fit D-ring fastener is lightweight and super secure Anti-odor pads are removable and washable Item runs small, so we recommend sizing up for best fit Item #SMIZ99F <h3>Tech Specs</h3> Activity : downhill, enduro Visor : adjustable Audio Compatible : no Certifications : ASTM F1952-15, Complies with U.S. CPSC Safety Standard for Bicycle Helmets for Persons Age 5 and Older Fit Adjustment : 3 different sizes of cheek pads, 2 different sizes of crown liners, 2 different sizes of neck rolls Ventilation : AirEvac system (21 vents) Manufacturer Warranty : lifetime Claimed Weight : [large] 1lb 15.6oz Shell Material : Aerocore in-mold polycarbonate