Brand new, does not include original box. Has warranty pamphlet etc. size large which is 59-63cm I believe. The boa allows it to fit snuggly on a 54cm head or loosen to accommodate a beanie Protection Lightweight in-mold construction fuses the exterior shell and EPS foam for a one-piece design that's lightweight and durable Zonal Koroyd® coverage for lightweight, energy-absorbing and ventilated impact protection Certification: ASTM F 2040, CE EN 1077:2007 CLASS B Fit / Integration Designed for ultimate integration with Smith goggles for maximum comfort and venting AirEvac™ ventilation system integrates with Smith goggles for fog-free lenses VaporFit Snow™ dial adjustment system offers 270-degree fit adjustment with the turn of a dial Removable, Aleck™ audio systems compatible ear pads Features Regulator climate control allows easy, one-handed vent adjustment XT2® antimicrobial lining offers sweat-activated odor control 10 vents Smith backs all their items! Excellent customer service.