The Bell Spark MTB Helmet is a brand new trail blazer featuring a sleek design with extended coverage and an integrated visor, the spark backs up clean design and its well-ventilated shape with a great fit. Designed for aspiring trail riders, the spark lets you charge with confidence. Bell Spark MTB Helmet Features Unisize: 53-60cm Weight: 300 grams (size u) Vents: 13 vents Certifications: ce en1078 Construction: fusion in-mold polycarbonate shell Fit system: ergo fit - sleek dial system for one-handed adjustments No-twist tri-glides™ Sweat guide padding