Insta Slim The Original Proven Crew-neck T-shirts now in a 3 Piece value pack. These unique short sleeve compression T-shirts will make you look up to 5” slimmer and pounds lighter Instantly. Always have one clean and ready to go, perfect for the traveling man. This compression t-shirt is made of a special blend of 72% nylon, 28% spandex fibers, making the garment comfortable to wear all day, every day. Can be worn for work or play, as an under garment or outerwear, to exercise and or enjoy a night out on the town. Must have for the man that always wants to look his very best. Available in sizes M-3XL and NOW in the Big sizes 4XL-6XL. MAde in the USA Available in Muscle Tank and V-neck Compression shirts to make you look up to 5inches slimmer Instantly!