Designed To Zip Into The Storm-Fit Adv Parka Or To Be Worn On Its Own, The Nike Sportswear Therma-Fit Tech Pack Gilet Is A Versatile Layer Made From Sustainable Materials. Its Translucent Shell Shows Off The Marble-Like Appearance Of The Thermore Ecodown Insulation. The Rear Pocket Can Be Detached And Worn As A Shoulder Bag When You Need Additional Storage. This Product Is Made From At Least 75% Recycled Polyester And Recycled Nylon Fibres Stay-Warm Comfort Nike Therma-Fit Technology Helps Manage Your Body's Natural Heat To Help Keep You Warm In Cold-Weather Conditions. Thermore Ecodown Marble Insulation Adds Down-Like Volume And Warmth With 100% Recycled Polyester Fibres. The Utility Aesthetic The Fully Detachable Pocket Comes With A Shoulder Strap, Mini-Carabiner And D-Ring. Seat-Belt Webbing Reinforces The Construction And Matches The Back Neck Loop. A Snap Envelope-Style Closure Provides Secure Small-Item Storage. Integrated Warmth This Lightweight Layer Zips Into The Nike Sportswear Storm-Fit Adv Tech Pack Parka. Together, They Create A Waterproof System To Help You Stay Dry And Warm.