Recommended for men whose legs are tired from long time standing and walking. NAIGAI PERFORMANCE crew-length business socks. It is made of light and durable cotton-blend material that combines durable and elastic synthetic fibers with breathable and hygroscopic cotton, which does not lose its shape or wrinkle easily even repeated washed, and even if you continue to wear it for a long time, you will not be worried about stuffiness or odor on your feet. It can be worn in formal dressing as it is classically simple color. It uses a step-by-step support design tailored to the leg area with 30 hPa for the ankle and 23 hPa for the calf, a ventilation mesh that pushes up the arch to support the "scaphoid bone", a ventilation mesh that releases discomfort from moisture and sweat to maintain comfortable footing, and a lateral arch 3D design that gently wraps the ball of the big toe and the little peduncle and allows you to step firmly, relieving fatigue and swelling of the feet. The inside opening of the rubber part is marked with "R" and "L" for distinguish left and right sides avoid confusion after washing. It has a chic color and simple design for smart dressing, can be worn by women as well. This item is perfect for those who have foot problems, such as those who have many opportunities to walk on business trips and their legs get tired easily, or those who usually stand a lot and have swollen legs.