Technical Performance Mid Layer Stay warm without the bulk. The ADV 3.5 Thermaflow Mid Layer is a thin, flexible insulation layer that fits seamlessly under adventure jackets while providing excellent wind protection.The double-knitted wind-blocking shell with Leatt WarmYarn technology ensures warmth and breathability, keeping you comfortable in changing conditions. Built for durability, the reinforced seat area with 4-way stretch ripstopenhances strength without limiting movement.A relaxed fit, overlocked seams for comfort, and a concealed YKK chest pocket make this jacket both practical and comfortable. Available in sizes S - 4XL with plastic-free packaging. Backed by a 5-year warranty. 5-year Warranty Jacket is made up of a double knitted wind blocking shell made with Leatt Warm Yarn Overlocked seams for comfort Reinforced seat area of lightweight stretch 4 way stretch ripstop to improve durability This product meets latest USA PFAS standard. This Product is Bluesign approved materials. This product is rated UPF-50+ Slimline stretch forearms reduce within the jacket. Fitted body to reduce bulkiness within the jacket. Pockets: 1x Chest pocket with concealed YKK zipper and low profile puller (for under jacket comfort) YKK Main zipper Reflective visibility detailing Garment Hanging Loop Plastic-free packaging