1.[Protect Your Head While Sporting] The anti-collision sponge can effectively correspond to all kinds of sports collisions and protects the head from injury. 2.[Comfortable Sponge Design]Sponge splitting design, the collisions will be quickly dispersed to the edges of sponges, and more suitable for the different head curves, comfortable to wear. 3.[ Material Rugby Helmet Headguard ]Professional sewing technology, strong helmet, can withstand long-term use. 4.[Adjustable Chinstraps]The rear open tie design allows users to adjust according to their own feelings and is suitable for a variety of head types.elastic back rear laces ensure the proper fit. The chin fastener attaches the rugby helmet to the head and is easy to put on and take off. Suitable for adults' 23-25 inches head circumference.