6.78 Oz. 100% Cotton preshrunk ring spun jersey knit for cool comfort (some colors may contain polyester). Seamless double stitched 2cm neckband - will retain shape. Taped neck and shoulders for comfort and style. Sleeves and bottom hems are double stitched for strength and durability. Quarter-turned for a neat finish. S, M, L, XL, 2XL, 3XL, 4XL, 5XL. Please calculate your size from the measurement chart below. Daily, home, travel, fitness, etc. For men. Cold (max 30℃ or 86℉); Non-chlorine; Iron on low heat; Do not insolate.