MATERIAL: 50% polyester, 20% cotton, 15% spandex, 10% elastic, 5% nylon.SIZE CHART: S/M fits men shoe size 5-8/ women shoe size 6-9. L/XL fits men shoe size 8-10/ women shoe size 9-11.HIGH PERFORMANE: Superb polyester make our socks more durable and elastic. High quality cotton keep your feet warm, wick sweat away from your feet and provide a soft feeling for your feet, reducing odor, blisters and injuries. Combined with spandex and elastic in cuff, our socks stay up well and would never slide down when you go hiking, go trekking and enjoy other outdoor activities.MULTIPLE FUNCTIONS: Graduated compression promote blood circulation and oxygen flow, reducing muscle fatigue and weariness. Padded toe and heel and cushioned sole offer amazing shock absorption and comfort to your feet, guarding against blisters and friction. Breathable mesh creates maximum airflow to keep your feet dry & cool, and moisture-wicking properties promptly perspire sweat away from your feet and effectively resists odors. No smelly and stinky feet any more!COMPLICATED COMPRESSION DESIGH: Since our hiking socks are designed with target compression, the cuffs would be a little tight but they have good resilience with optimal blend of spandex and elastic. Unique graduated compression technology built around target layers to support the toe, the arch, the heel and the Achilles tendon work perfectly together to relieve pains and discomforts related to Plantar Fasciitis, varicose veins and so on. Say goodbye to injuries and swellings.OCCASIONS: Insox makes sports and health easier. Our hiking compression socks are beneficial to relive tiredness and weariness, providing a comfortable experience for hikers and outdoor enthusiasts. They are indispensable partners for those who like hiking, running, basketball, cycling, outdoor activities and so on. And if you are a traveler, carrier, office worker and those who on feet for long period of time, our socks do help you a lot too.