A little bit of care can keep your Wigwam socks performing well for years. For best results turn socks inside out before washing. Wash in warm water and tumble dry on low heat.
Maximum water temp is 120° F / 50° C
Do not bleach
Use normal cycle setting, set dryer at low heat
Pull on Wigwam's Thermax Cap II, and you'll be insulating yourself against cold, with the Thermax hollow core fiber. OS = (one size fits most)