Louis Garneau Helmet 12 Vorttice Black Knight Helmet 2 Vents Material: in-mold compositeAdjustable Vents: noFit Adjustment: Spiderlock SLCertifications: CPSC, ASTM, CEN, ASWeight: 450 gRecommended Use: triathlons, time trial races, defeating the forces of evilManufacturer Warranty: 1 year