<p>The inner layer of soccer shin guards for kids is made of EVA material. It can improve circulation in the lower part of your legs, which can help prevent cramps from setting in when you're on the pitch. Small &amp; lightweight, soft and fits the skin well without being injured by friction</p> <p>BREATHABLE LIGHTWEIGHT: This protective shin guard is aim to give you great experience for wear and it is very lightweight without any bad effect in running and speed. Special holes design gives you great breathablity and not much pressure on your legs.</p> <p>Best Sizes Adjustable Elastic Buckle Straps: 17*13.5*10CM ;The shin board crafted with a durable &amp; flexible band,to more stable for long time wearing.</p> <p>Suitable for any legs exercise:Such as marathon, hiking, cycling, hockey, rugby, fitness training, soccer, etc.</p> <p>ADJUSTABLE ELASTIC: This football shin guards are flexible to adjust, you can adjust the length and size flexibly based on your need to have good experiences. Just have meaurement of calves size in detail before you choose.</p>