|Sizes||Men’s M-XL||Women’s S-L|
Manufacturer's Description refers to the men's version
The PhD Trail Running socks employ a four-degree fit system with WOW (wool-on-wool) Technology™ in high-density impact zones to reduce shock and abrasion. They moderate temperature, moisture, and odor as well. A double ribbed cuff makes for an overall secure fit.
Here's what other sites are saying:
The lightly-cushioned PhD Trail Run Mini Sock from SmartWool is a versatile outdoor sock that is a must-have for your two-footed arsenal. The 4-Degree Fit System keeps the sock in place for all day use, while WOW Technology in high density impact zones reduce shock and abrasion, which reduces blistering. When you bag the next peak, your feet will thank you.
- Mountain Gear refers to the men's version
2NDS , barely perceptible blemishes. Taking your feet out for a little off-roading? SmartWool's PhD trail running socks are equipped with moisture-wicking, temperature-regulating merino wool for a comfortable ride. Available Colors: BLACK/SILVER, SILVER/BLACK, GRAPHITE/KEY LIME. Sizes: S, M, L, XL.
- Sierra Trading Post refers to the men's version
Whether on trail or pavement, when you're running a lot is going on in your shoes. Keep your feet happy through it all with these Trail Running socks from Smartwool. PRODUCT FEATURES: WOW Technology puts extra padding just where you need it on the heal and forefoot without any extra bulk 4 Degree Fit System delivers optimal comfort, support, and fit all day long Merino Wool naturally regulates temperature, moisture, and odor Mini height, medium cushion Materials: 78% Merino Wool, 19% Nylon, 3% Elastic
- Appalachian Outdoors refers to the men's version
A lot goes on in your shoe when you trail-run for miles. The Smartwool PhD Trail Running Mini Sock is ready for all of itthe heat, the sweating, the repeated impact. Wool-on-Wool technology reduces shock and abrasion by padding the heel and forefoot with durable yarn, mesh zones on the top of the sock let hot air escape, and the wool transfers moisture quickly and fights odor. The ankle-height cuff works well for super hot days.
- Backcountry.com refers to the men's version