RECYCLED MATERIALS AND A REMOVABLE POCKET. The Nike Sportswear Tech Pack Vest features a semi-transparent liner to highlight its synthetic marble insulation made from recycled plastic. The removable front pocket offers secure storage to keep your hands free throughout the day. Removable Front Pocket Store your camera, phone or keys securely in the removable front pocket that can be clipped or worn as a bag. Thermore⢠EcoDown Insulation Blown-in EcoDown insulation offers premium warmth that rivals natural down. Recycled PET bottles are broken down to create synthetic fibers that mimics the warmth and feel of down feathers. Hidden Storage A hidden front pocket behind the front pocket provides quick storage and a place for your hands to hide from the cold. Product Details Standard fit for a relaxed, easy feel Asymmetrical zips for customizable styling and comfort Body/lining insets: 56% polyester/44% cotton. Lining: 100% nylon. Fill: 100% polyester. Machine wash Imported Style: CU3766; Color: Light Bone/Stone/Black; Gender: Male; Age Group: Adult