Modern helmets are mainly composed of helmet shells, linings and suspension systems. Due to the different requirements for use in various activities, there are many structures and styles of helmets. Usually, the shell of the helmet is made of high-strength materials, such as metal, engineering plastics, Kevlar fibers, etc., which absorb most of the impact through its deformation; the lining material has sweat-absorbing, warm, shock-absorbing properties Military helmets often have the function of further reducing the impact force and preventing shell fragments from hurting the head; the suspension system is the part between the shell and the lining, which can usually be adjusted to suit different wearers difference in head shape. Some special-purpose helmets are also equipped with headphones, microphones, and sockets for additional equipment such as cameras and lighting torches. This kart helmet features a lightweight design and a one-piece molding process. Escort the kart driver.This kart helmet has a detachable design with a dinosaur model as a whole. The hollow design makes the helmet more ventilated and breathable. One-piece detachable full helmet for children, the brand determines the quality, and chooses a better one for the baby. The brand can customize the logo with or without the logo, fully realizing customer customization.The extended brim design can block the sun and protect children's eyes intimately.Brand : customized Color : 5colors Weight : 440G Size :48-56cm 13 ventilation holes design, cool and breathable. 13 ventilation holes increase the breathability of the helmet, so that the scalp is no longer stuffy. The rotary adjuster can be adjusted 360 degrees with one hand to meet most head circumferences. Thereby, it fits the head better, allowing the wearer to have a more comfortable, safe and firm experience.Removable inner lining for shock absorption and sweat absorption. Soft inner lining, thickened and widened, removable and washable design, shock absorption and sweat absorption, making the baby more comfortable.Removable inner lining for shock absorption and sweat absorption. Soft inner lining, thickened and widened, removable and washable design, shock absorption and sweat absorption, making the baby more comfortable.