6.5 oz, Heavyweight 100% Open-End Cotton | Heather Gray: 90% Cotton / 10% Polyester Tumble dry low CLASSIC STYLE ? Pro Club Heavyweight Sleeveless Muscle Tees have the perfect look and function for casual daily wear, work, lounging, and even workouts. Perfect for all seasons, especially summer weather. COMFORT ? Heavyweight super soft cotton against your skin keeps you comfortable in the best casual style. Great for everyday wear. Shoulder-to-shoulder taping. PERFECT FIT ? A fashionable relaxed fit that sits close to the body for a wide range of motion, designed for optimal?performance?and all day comfort. Big sizes provide the perfect length and size which are hard to find. DURABLE ? Reinforced stitching for superior durability. Heavyweight tees are perfect for any season and hold up year after year. Preshrunk to minimize shrinkage. Ribbed knit collar made with Lycra to maintain tightness. FABRIC CARE ? For best washing results and shrink prevention, turn shirt inside out, wash in warm or cool water, and tumble dry low.