Designed and tested for your active life, Base 33 performance no show sport socks with quick-drying yarn and vented tops and sides are the ultimate match for running, training, cycling, and weight lifting. FUNCTION: These socks were designed with the minimalist in mind. Base 33 Sport socks are lean and light so training will always be comfortable. The comfortable toe box provides a flawless fit so you can get the most out of your workout. SPORT: Performance socks are perfect for running, lifting, and other exercises. These athletic socks are cool and light to provide all-day comfort for intense workouts in any condition. Base 33 has fashionable colors to match your fitness apparel. BREATHABLE: The Nylon Polyester blend creates a durable, long-lasting sock with stretch. Quick-drying yarn will keep your feet dry so you don??t have to worry about excessive sweat. They can also be used for outdoor sports such as hiking, running, & jogging. MATERIALS & SIZING: 67% Polyester, 25% Nylon, and 8% Elastane. Base 33 sport socks are perfect for both men and women. See sizing chart for more details.