By adding 25% nylon to the blend, Madelinetosh has toughened this string for a good foot fight while maintaining its vaunted softness. Durability, dyeability, and stitch definition make this round 3-ply our choice for badass socks, ready to rumble. 75% Superwash Merino wool / 25% nylon | Fingering weight | 3-ply 473 yards | 433 meters | 118 grams Hand-Dyed in Texas from wool ethically sourced in Peru