Mens Exceed Eminence Long Sleeve Lycra specially made for 60+SPF Swim Dive Beach Wear. 100% specially manufactured Lycra! See label please, this wetsuit doesnt need laundered! Simply rinse and repeat! Maintains excellent quality! My Grandson loves his! Taking it to Florida on Vacay to keep from burning and Just Have fun!! Tag MT measures a Large I shopped long and hard to bring these to you ! Now dealing with skin cancer myself, I know the importance !