Orthosole FS4 orthotic sock incorporates the patented FS6 technology. Wearing the FS4 socks when active will aid in preventing plantar fasciitis symptoms onset and act as a overall foot health aid.
With precise targeted compression levels, the FS4 features compression zone technology that is designed for proper foot support and injury prevention.
Add to that, the seamless, soft moisture wicking fabric with anti-odor treatment and padding in the right places creates a foot health sock with orthotic benefits that strengthens the foot structure and prevents plantar fasciitis, arch strain, swelling and other conditions.