Arms Jacket - Blackthis collarless jacket features sculpted sleeves that enhance the sense of the body. its curved waist design flatters the body beautifully. it's woven with a triple weave, using cotton for the warp and a tightly twisted polyester polyurethane weft. the uneven surface provides a firm density and just the right thickness, and while it's a woven fabric, it also has just the right amount of stretch to conform to the body. material: 55% polyester, 40%