The answer for those tricky in-between temps. Smooth on the outside, soft on the inside, this vest has Therma-FIT tech to help keep you warm and comfortable. Benefits:Nike Therma-FIT technology helps manage your bodya (TM)s natural heat to help keep you warm in cold-weather conditions. Loose fit feels roomy through the body. [] Product Details:Embroidered logo. Hand pockets. Zippered chest and hand pockets. Elastic binding at hem, arm openings and collar. 100% polyester. Machine wash. Imported. Style: HV1446; Color: Green Abyss/Mint Foam/White; Size: XS; Gender: Male; Age Group: Adult | Nike Sportswear Club Men's Winterized Vest in Blue, Size: XS | HV1446-301