15%cotton, 60%nylon, 22% polyester, 3%elastane Size: With the super stretch, Size Medium fit 9-11 (mainly suitable for youth and womens); Size Large fit 10-13 (mainly suitable for mens). The Novelty Design: Flames pattern on the sock looks funky, crazy and full of vitality. When wearing the flame socks during sports, you will become the focus of people. Over The Calf Design: Knee high length helps to protect your legs from injury. Double Welt Top makes the socks stay comfortably on calves with no falling off. Reinforced toe and heel, seamless toe and Elastic arch not only ensure your feet comfort and prevent blisters, but also for durability, even after a long time exercises. Moisture wicking fabric and mesh ventilation will reduce foot odor due to activities, keeping feet dry, cool and healthy. Fit for Most Sports: The flame athletic sock is a excellent choice for athletes in sports like baseball, basketball, football, softball, volleyball, hockey, rugby, running, soccer and other sports activities. The novelty design especially suitable for Christmas, Halloween and various kinds of parties. And it’s also comfortable for casual wearing.