These Vale Tudo Shorts from KimuraWear have 2 needles over lock and 3 flat lock inseam stitching for durability, strength and great power with polyester spandex construction, thin Coolmax lining, diamond gusseted crotch and elastic waistband with an added round drawstring. The legs are reinforced to avoid shorts from riding up during competition. Also, the printing features non-crack, stretchable, solid heat tranfer. The elasticity of the printings remains consistent after many washes.