Designed with data from real athletes, this vest brings the heat where you need it most when the temperatures plummet. Nike Therma-FIT ADV technology combines heat-regulating fabric with advanced engineering and features to help keep you warm in cold-weather conditions.Its cut with plenty of extra space to layer and move, and the crisp woven outer shell is water-repellent to help you stay dry in wet weather. Tech Pack: Made to move with you, engineered to push you forward, our Tech Pack collection is a collection of apparel that celebrates modern materials and precision craft. Advanced Stay-Warm Comfort: We created this vest using data from real athletes like you to inform its design. We varied the level of insulation in key areas to provide the right blend of insulation and mobility. Spacious Fit: When the cold weather rolls in, this oversize fit gives you lots of space to layer up with a sweater underneath for added warmth. More Benefits: 2-way zipper lets you adjust your style and coverage. Roomy armholes make it easy to layer heavier garments underneath and still move freely. Product Details: Body: 100% polyester. Lining: 100% polyester. Fill: 100% polyester. Machine wash. Imported. Style: FN0635; Color: Baroque Brown/Baroque Brown; Size: L; Gender: Male; Age Group: Adult | Nike Sportswear Tech Pack Therma-FIT ADV Mens Insulated Vest in Brown, Size: Large | FN0635-237