【Premium Material】: This fashion bicycle helmet is made of high quality EPS foaming and PC shell material, integrated and lightweight design, with great impact and shock absorbing protection, and better cushioning. 【Ventilation Comfortable Wearing】: This helmet is streamlined and structured, with multi vents, comfortable lining breathable suction, removable comfortable lining, convenient cleaning, keeping the head fresh, and long time comfortable wearing. 【Adjustable】: Suitable for head circumference is 55cm-61cm/21.65inch-24.02inch, The bike helmet for men and women is designed with adjustable side straps and a chin pad, adjustable by turning the dial on the back of the helmet. 【Lightweight Helmet】Lightweight, breathable and comfortable design, effectively reduces wind resistance and lets you keep comfortable and cool in riding. won't tire you at all and fits for city riding, road, and mountain bike. 【Wide Applications】: This stylish bicycle helmet is widely suitable for outdoor travel,, biking, bicycling, skateboarding, etc. Besides, it is also a great gift choice for outdoor lovers.