LEADTRY (Promotion) HM-1 Bicycle Helmet Ultralight Integrally Molded EPS Safety Bike Helmet Specialized for Road/ Mountain Terrain Bicycle with Comfortable Removable Washable Antibacterial Pads Blue * Impact Resistance: Made of high density and Durable PVC & PC, EPS foam, absorbing the impact and effectively reducing the shock pressure to protect the head during crash. * Standard Size: Suit for head size from 57cm to 62cm, This adult cycling helmet goes with a standard size, equipped with the easy-use dial system and side straps make this nutcase helmet adjustable to different head size and suitable for both men and women * Superior Design: Innovative Aerodynamic Design together with its 21 air vents to ensures an optimal air flow and minimal air resistance. * Easy Using: Built with Adjustable Chin Strap with Quick-Release Buckle, Rear Lock Adjustment, and Cool & Comfortable Pads. When you want to clean Pads, you only need to split them. * Colors: 3 colors for you to choose: Black, White, Blue