OTM Fight Shorts are made for hard-core training. Every angle has been covered to make a long lasting great looking short. The fabric is made out of a mechanical stretch material that will not tear. Every seam is double or triple stitched with reinforcements on all the important spots. The shorts tie shut with an inner drawl string a double Velcro closure keep the pants on at all times and secure a great fit.The shorts have also been treated with Ciba Tinosan antimicrobial to keep the staph and ringworm out of them!