Size medium has a 27" front body length, a 26.25" back body length, a 17.75" shoulder, and a 45.25" chest. Mock neck. Buttoned placket. Buttons custom-developed with a “Polo Ralph Lauren” logo. Two front waist-angled pockets with concealed snaps. Interior left chest pocket. Buttoned tabs at the back waist. Fully lined and filled. Signature embroidered Pony at the left chest. 650 fill power. Fill power measures the loft of the down and ranges from 450 to 1,000 for apparel. Shell: 100% cotton. Lining: 51% cotton, 45% viscose, 4% elastane. Fill: 75% duck down, 25% duck feathers. Due to the natural characteristics of this material, the coloring may rub off onto fabrics and upholstery. Model is 6'1" (185 cm) and wears a size medium.