Penfield Rockwool Leather and Shearling Yoke Down Jacket in Black. - size XL (also in ) Penfield Rockwool Leather and Shearling Yoke Down Jacket in Black. - size XL (also in ) Self: 60% cotton 40% nylonLining: 100% nylonFill: 80% down 20% feathersContrast: 100% leatherFur: 100% whole dyed sheep shearling. Fur Origin: CN. Dry clean only. Front zipper closure. Front slant pockets. PENF-MO103. PFM111057216 001. Penfield was established in Hudson, Massachusetts in 1975 and have built a reputation for making the highest quality down-filled jackets, fleece, and outerwear.