Bad Boy Kids BJJ Gi Jiu Jitsu Kimono Rip-Stop Material. Canvas Eva Foam collar Heavy 14oz canvas pants - 100% cotton. New patch and embroidery designs Double reinforced knee padding. Rope drawstrings as opposed to the traditional twill 9 Drawstring loops on the trousers to help keep the pants in the correct position on the body. Triple stitching across all stress points. Elastic Waistband. Pre Shrink