R B Heron Naturals - 100% Merino (superwool) SOCKS. Keep your tootsies cool this summer! (think about it!..why does the military wear wool socks ) We can also deliver SHOES Orthotic friendly! Payments via PayPal (secure web site) Click above for details on how to order using PayPal (if you wish..its your option!) We can also deliver Health products for skin & feet Extra Large (size 13-16) socks ...