thick and supple cow hidevery resistant stretchsecurized stitchingflex leather on sides up to the back of armholes, on bottom back and over the kneepanels in resistant stretch inside sleeves, at crotch and behind calvesvery sportive preformed and fitted cutaerodynamic humpanatomic zipped cuffs and tightening strapzipped calveslocation for slidersMaterials: