【Certified General Medical Device & Non-Constricting Compression Socks】 These compression socks are designed for comfort in daily life and are certified as a general medical device in Japan. While maintaining moderate pressure, they are designed to be less constricting, making them comfortable to wear for extended periods and reducing fatigue. Perfect for work, housework, and relaxation. 【Graduated Compression Design & Reduces Swelling】 The design features graduated compression, with varying pressure from the ankle to the calf, promoting smooth blood flow. This helps reduce daily swelling and alleviates leg fatigue. Highly recommended for those who stand or sit for long periods. 【Carefully Crafted & Highly Durable】 Made using a specialized German medical knitting machine, only one pair of socks can be produced in 15 minutes, and each pair undergoes 10 inspection processes before shipment. With high-quality materials and careful manufacturing, these socks are exceptionally durable and resistant to shape loss even after frequent washing. They offer excellent cost performance due to their longevity. 【Breathable & Thin & Lightweight】 Made with skin-friendly, lightweight, and highly breathable materials, these socks minimize stuffiness and discomfort, providing a comfortable fit. They are especially comfortable to wear during walks and exercise, making them a versatile item for all seasons.