Adidas FrostGuard Insulated Jacket You can rely on this Adidas FrostGuard Insulated Jacket ($90) to protect you from cold Winter winds this season, thanks to its quilted down insulation that traps in body heat. Plus, it features a water-repellent finish and knitted paneling that allows for unrestricted movement while you exercise. Image Source: adidas.com Adidas FrostGuard Insulated Jacket $90 from adidas.com Buy Now