Vilnoniai batų įdėklai. Socks men's wool frieze.

Skirti ypatingai šaltam orui. Dvigubas vilnos sluoksnis. These were designed to go over GS socks and to be worn inside arctic boots.
This is the duffle sock the military uses when they need to keep warm in Arctic conditions. Designed to be worn inside Arctic type boots, this sock is made of white wool frieze, mothproofed duffle cloth. The sock is 30.5 cm (12") in height and has heels reinforced with white nylon. This sock actually incorporates two socks, one sock inside the other, sewn together around the top.