and medical-grade support to keep your feet feeling great throughout the day

keeping your feet dry and comfortable throughout the day

If using the studs on shoes

Expandable Volume: Features a rolling top for increased capacity

Customizable Fit: Easily adjustable for your preferred height and comfort level

842 Arm and medical-grade support to keepFS4 Merino Long Socks Sock against heel spurs OS1st FS4 Merino Long Socks are the perfect everyday socks, providing both comfort and support for your feet, with or without shoes. Designed with 4 graduated compression zones, these socks help prevent plantar fasciitis and offer a seamless construction for added comfort. The long socks feature an anatomical fit to maximize comfort throughout the day. Key Features: 4 Compression Zones: Graduated