Zipper curtain protects leg when zipper is opened 420D external material Zippered leg gussets Die-cut Poly in floating lower back protector Compression molded Poly in kidney and hip protection Pre-curved tailbone Poly protection Mesh liner on tailbone protector and stomach protector Front ventilated mesh panels Strategically located stretch fabric in crotch and leg gussets Correctly positioned internal and external belts with lacing system