The 3301 Slim Jacket is cut from superstretch fabric which has a rich vertical slub character and a remarkable grey color with a subtle blue cast. Offers luxurious handfeel, excellent stretch and recovery thanks to the clever tri-fiber blend of high quality fibers and yarns. 10.25 oz denim 3x1 right hand twill 92% Cotton, 6% Polybutylene Terephthalat, 2% Elastane Medium Aged Skilfully finished with deep fades that contrast with the denim's original base shade.