Moose Knuckles Hooper Park Green Down Jacket. Keep the cold out and the warmth in with this stylish Moose Knuckles Green Jacket. Featuring a Green colorway with superior insulation, the jacket will keep you cozy and looking great in those colder months. Enjoy being able to take on outdoor adventures with confidence.. Zip Closure, Branding along Zip, Hooded Jacket. Regular Fit, Fits True To Size, Hooper Down Jacket. Material: 82% Nylon, 18% Elastane, Lining: 82% Nylon, 18% Elastane, Inner: 90% Duck Down, 10% Waterfowl Feathers. Style Code: M32MJ104 963