EASY ON, EASY OFF TECHNOLOGY: Effortless to put on and take off, perfect for plus-size legs and wide calves. S/M fits men’s shoe sizes 6–9, women’s 7–10, calf circumference 17”–21”. L/XL fits men’s shoe sizes 9–12, women’s 10–13, calf circumference 18”–21”. (Based on U.S. shoe sizing) WIDE CALF DESIGN: Expertly crafted for a comfortable, non-restrictive fit, providing effective compression and support for larger legs. GRADUATED COMPRESSION: Helps increase circulation, reduce swelling, and relieve leg and foot fatigue. Class 1 Medical Device. ARCH & ACHILLES SUPPORT: Targeted compression band gently hugs and lifts the arch and ankle, delivering enhanced support and a stable, energized feel.. BREATHABLE, MOISTURE-WICKING FABRIC FOR ALL DAY COMFORT: Perfect for Athletics, Runners, Travel, Long Flights, Nurses, Everyday Wear & Recovery.   Experience All-Day Comfort & Performance. Step into energizing support and superior comfort with Copper Fit Energy Easy On Easy Off Graduated Compression Socks – designed to keep you active, comfortable, and supported. Featuring graduated compression technology, these socks help increase circulation, reduce swelling, and minimize foot and leg fatigue for all-day relief. Designed with an Easy On, Easy Off feature, these wide calf design compression socks effortlessly slide on and off, making them ideal for anyone needing extra calf room and comfort. Crafted with moisture-wicking, breathable yarns infused with copper, they keep feet fresh and comfortable throughout the day. Whether you're on your feet all day, traveling, working out, or recovering, Copper Fit Energy Socks provide the perfect balance of support, comfort, and performance – so every step feels as good as the first.