Compression socks designed for use while sleeping, aimed at promoting blood circulation and reducing swelling. Brain Sleep Recovery Socks, Size S - Model Name: BRIAN SLEEP SOCKS RECOVERY - Purpose: Promote blood circulation, improve lymphatic flow, and reduce swelling - Pressure Range: Calf 15-19hPa, Ankle 20-24hPa - Features: General medical device - How to use: Use while sleeping - Material: Washable - Size: S Thank you for viewing. Although this is a new, unused item, there is some damage to the box, so please check the 11th photo. Please note that the item will be shipped without the box.