Marmot Echo Featherless Jacket - Men's Dark Jungle Medium. Pull on the Men's Echo Featherless Jacket. Made from recycled nylon fishnet and 3M Thinsulate Featherless insulation this jacket lets you enjoy the feel and performance of natural down without any allergens. Plus it keeps insulating when wet whether from perspiration or an errant spill while gathered round the campfire. Specifications for Marmot Echo Featherless Jacket - Men's: Manufacturer: Marmot Length Alpha: Regular Center Back Length: 27.5 in Apparel Fit: Regular Gender: Male Age Group: Adults Application: Casual Outdoor Seasonal/Temperature Use: Winter Fabric/Material: 30D Nylon Weight: 1.1 lb Jacket Style: Urban Pockets: Yes Insulation: Synthetic Lining Material: Recycled Polyester Reflective/High Visible: No Water Resistance Level: None Fastener/Closure Type: Zipper Sleeve Type: Long Sleeve Features of Marmot Echo Featherless Jacket - Men's Recycled 30 denier nylon fishnet 3M Thinsulate Featherless insulation performs like natural down without the allergens Zippered hand pockets keep things secure; elastic-bound cuffs Adjustable drawcord hem keeps cold air out Package Contents: Marmot Echo Featherless Jacket - Men's Marmot M15910-22261-M: Echo Featherless Jacket - Men's Dark Jungle Medium