Based on the beloved LUXURY 200, but with a different blend o f materials. M erino wool, elastic fiber and polypropylene make these socks incredibly com fortable and specific fo r the w in te r season. The elastic fiber hugs the entire fo o t and runs all the way down the sock to provide light pressure. Added to it is merino wool, w ith its very high insulating capacity, and polypropylene, which increases its abrasion resistance.Specifications:Materials:- BreathFit Merinos Socks®Technologies:- Seamless Technology- Antibacterial fiber- Hydrophobic weave