SmartWool's medium full-cushioned PhD Outdoor Medium Crew is their most versatile outdoor sock.
- Itch-Free Comfort: Get all of the benefits of high quality and long lasting Merino wool in a soft and cushiony package your feet will love.
- WOW (Wool on Wool) Technology: Innovative process adds an additional layer of wool in the heel and forefoot areas of the sock to protect against shock and abrasion.
- 4-Degree Fit System: Provides a secure and comfortable fit around the heel, arch, and instep.
- Temperature Regulation: SmartWool technology provides a greater range of comfort in all seasons.
- Moisture Management: SmartWool absorbs sweat in its vapor state, which means it never condenses to make your feet sweaty or clammy.
- Odor Control: Because sweat escapes through SmartWool fibers before it turns to a liquid, odor causing bacteria can't build up, thus your feet stay fresher longer.