Taion Reversible Mountain Down Volume Muffler OliveMountain Reversible Down Boa Muffler provides two distinct textures. With reversible design, it can be worn in many different outfits and settings. Constructed with Nylon and Down on the front side and Boa on the rear, it is an essential winter accessory that offers optimal warmth. Color: Olive Dark Olive Outer fabric: 100% nylon Lining: 100% polyester Filling: 90% down, 10% feather Reversible Down filling: 800 flp Down quilt stitch uses a 6cm grid