75% wool, 25% nylon
The older green label says simply “Kroy 4-ply” and may have 203 yds. in 50 grams, while the yellow label says “Kroy Socks” hand has 192 yds. in 50 grams. The new tan label says “Kroy Socks” and the put-up is listed below.
This is on the heavier end of fingering.
Content:75% Wool - 25% Nylon
Put-up: 1.75 oz / 50 g
Length: 166 yd / 152 m
Machine washable in cool water. Dry on low heat.