Combining RefrigiWear's toughness, warmth and durability with one of the most popular styles around the world, the Diamond Quilt Jacket is functional, water-repellent and wind resistant. The stand-up fleece-lined collar helps protect against drafts and keep you warm the large, zippered chest pocket is perfect for items like phones or mini-tablets.Sizing Instructions: For the most accurate fit, take your measurements over the base layer of clothing you intend to wear with this RefrigiWear gear (such as thermal underwear, jeans or a sweatshirt) and refer to the size chart for this product.