This is an XL size, with a tight fit, and can be worn layered with dress shirts, etc.＾＾ The material is a blend of acrylic and polyester, which is lightweight, feels good against the skin, and is comfortable to wear. It has been worn very little, so it can still be worn for a long time! Shoulder width: 45cm Length: 65cm Sleeve length: 62cm Width: 40cm - Color: Red - Design: V-neck - Style: Ribbed knit - Size: XL - Material: Acrylic 88%, Polyester 10% ♯Plain♯Muji♯Knit♯Knit♯V-neck♯Men's♯XL size♯XL♯Red♯Red