PhD is a series that has improved the fit of the socks to prevent slipping. Cushions are featured from toe to sole and heel. Breathable, thin mini length socks for running, biking, etc.
INDESTRUCTAWOOL Technology = Increased durability while maintaining comfort
4 Degree Elite Fit System = Provides a secure fit that stays in place
Slim fit for women
Mesh ventilation zones.
Seamless toe seam