We are DEVO!Merge4 Socks areDESIGNED FOR COMFORTMade with advanced tech like moisture-wicking and elastic arch support to keep ya' comfy.MADE WITH THE BEST MATERIALSEthically-sourced, recycled and organic. Oh, and always plastic-free packing.MERGE4 socks are designed with gradient pressure technology, meaning gradual compression starts at the ankle and goes up the leg. This ensures maximum comfort and effectiveness, boosting circulation and increasing healthy blood flow. At a light, non-medical level of 15-20 mmHg compression our socks are designed for everyday wear and situations, from lounging to working out or hopping on a flight to flying down a mountain bike trail!