<b>Features:<br> </b> 1.PE shell armor part,it is wear-resistant and shock-resistant,protect main body part effectly<br> 2.Breathable fabrics high foaming middle part,great protect our body effectly<br> 3.Effectly protect children's chest,spine,shoulder,waist during sports cycling tactis skiing etc.<br> 4.Freely adjust waist by a wide velcro waist strap and a small button waist strap at the same time<br> 5.Great protector for motorcycle riding,cycling,skateboarding,skiing,all sports activity<br> 6.Both suit for boys and girls<br><br> <b>Size details:<br></b> S: suit for waist 60-70cm(23.6"-27.5"),height 100-115cm(39.3"-45.2"),back length 39cm(15.3")<br> M: suit for waist 68-75cm(26.7"-29.5"),height 115-130cm(45.2"-51.1"),back length 45cm(17.7")<br> L: suit for waist 75-85cm(29.5"-33.4"),height 130-145cm(51.1"-57.0"),back length 49cm(19.2")<br>