– This short sleeve tee blends 65% cotton and 35% polyester for a soft, breathable feel with durable performance. – Designed with Ultra-Dry moisture-wicking technology, it keeps you cool and comfortable during any activity. – The eco-friendly jersey fabric combines organic cotton and recycled polyester, finished with a sleek Novak Djokovic-inspired chest print for a modern athletic look. – Package Dimensions: 11 x 9 x 1 inches; weight: 0.38 lbs. Size Waist (Inches) Small 36 – 37 Medium 38 – 40 Large 41 – 44 X-Large 44 – 47 XX-Large 47 – 50