Vests features: Breathable ultra light material, comfortable and water-resistant design. It has excellent windproof and warm-keeping quality, ensure you be able to enjoy exceptional warmth while still maintaining peak performance with unrestricted movement. Features Color: Black Material: Polyvinyl alcohol fiber, corduroy, diving fabric S Size: Applicable height: 150-155cm/59.05-61.02inch; shoulder width: 34cm/13.39inch; length: 58cm/22.83inch; bust: 90cm/35.43inch; weight: 70-80catty M Size: Applicable height: 155-160cm/61.02-62.99inch; shoulder width: 36cm/14.17inch; length: 60cm/23.62inch; bust: 94cm/37inch; weight: 90-100catty L Size: Applicable height: 160-165cm/62.99-64.96inch; shoulder width: 38cm/14.96inch; length: 62cm/24.41inch; bust: 98cm/38.58inch; weight: 110-120catty XL Size: Applicable height: 170-175cm/66.93-68.89inch; shoulder width: 41cm/16.14inch; length: 64cm/25.19inch; bust: 102cm/40.16inch; weight: 125-135catty 2XL Size: Applicable height: 175-180cm/68.89-70.87inch; shoulder width: 43cm/16.93inch; length: 66cm/25.98inch; bust: 106cm/41.73inch; weight: 135-145catty 3XL Size: Applicable height: 180-185cm/70.87-72.83inch; shoulder width: 45cm/17.72inch; length: 68cm/26.77inch; bust: 110cm/43.31inch; weight: 150-160catty 4XL Size: Applicable height: 185-190cm/72.83-74.80inch; shoulder width: 47cm/18.5inch; length: 70cm/27.56inch; bust: 114cm/44.88inch; weight: about 165catty Intelligent vest, designed with 3 adjustable levels of temperature Unisex colors and sizes, suitable for both male and female users In addition to heat preservation, it also has effects on human body pain relief and sterilization Do not use it to infants, or to self-care if you are insensitive to heat Best gifts for parents and family, friends and so on.