Adult Racing Cycling MTB Helmet Ultralight Road Mountain Breathable Bicycle Helm DESCRIPTIONS: ALL THE NEXT STEP IN ALL MOUTAIN PERFORMANCE CB-19 TERRAIN is the next step in all mountain trail riding protection.Deeper coverage, superior venting, and a super lightweight design work together to make the CB-19 TERRAIN all mountain helmet the perfect helmet for all day protection on any trail. SPECIFICATIONS: Weight,Sizes & Colors 330g for size M, 340g for size L Two Size: M(54-58cm); L(58-62cm) 5 ranging colors Construction Outer Shell Construction:In-mold polycarbonate shell with EPS liner Inner Shell:Thermoformed reinforcement shock absorbing polystyrene Fit System Lightweight fit system with an easy-to-turn dial for adjustments Ventilation 15 Wind Tunnel vents with internal channeling Comfort Removable and washable inner padding in Coolmax material- COOLMAX internal pads(cushioning comfort pad) are used in larger surface in contact with the head for increased comfort. Detachable for hand wash and anti-allergenic.Comfort Liner and Chin Padingkeeps a good fit Be Seen No reflective rear sticker Compatibility No CertificationCE EN 1078 AccessoriesIncluded Accessories OF removable visor and 1pcs extra inner pad FEATURES: In-mold Construction 15 Big Bore vents provide improved airflow and reduced weight,exceptional breathability DUAL DENSITY EPS-Spreads the force of impacts across a wider area Fixed anchor Y-Strap system offers an improved fit All Mountain helmet with lower coverage for added protection,multi-density impact reduction system provides superior protection Premium liner and chin pading increased comfort Single hand dial actuated retention system provides easy adjustment Removable Visor and one piece extra spare inner pad Application Head Protection Body Area Head Brand Cairbull Department Men,Women,Unisex Features Adjustable Fitting,Half Shell Material PC+EPS MPN Does Not Apply Sizes Medium,Large Type Helmet Sport/Activity Mountain Biking Style Flexible