Mountain Gear
With enough textile technology and design for an entire doctoral program, the PhD Outdoor Light Crew sock from SmartWool keeps your feet comfy, ventilated, and odor-free for a long day on the trail. Specially designed for mid- to low-top trail boots, these impact-absorbing socks let your feet breath and move.
Features:
- If you're prone to swollen, hot feet, don't worry, strategic mesh zones provide plenty of ventilation
- Never end up with scrunched socks thanks to 4-degree banded fit that keeps your socks in place all day long
- Protect your lower legs and feet from rough terrain with WOW technology in high-impact zones that reduced shock and abrasion
- Treat your feet to the wicking comfort of wool blended with nylon and elastic for just the right amount of stretch
- Wear and tear isn't a problem with this sock - sturdy Durayarn reinforcements see this sock through season after season
- You don't end up with stinky, sweaty feet at the end of the day thanks to the SmartWool interior that provides natural moisture wicking along with temperature and odor control
ProLite Gear

The Smartwool PhD Outdoor Light Crew is an everyday all-star sock with tons of tech benefits. The 4-Degree Fit System utilizes athletic-shoe technology, creating a four zone support system in the ankle, arch, upper and lower instep. Stretch mesh along the top of the foot maximizes breathability, and WOW (Wool-On-Wool) double-layer impact padding in the toe and heel cushions your stride.
- 77% merino wool/22% nylon/1% elastic
Features:
- Merino wool provides excellent temperature control and moisture management; reinforced with stretch nylon to maintain fitT-degree banded fit system features elastic arches and ankle braces, along with contour flex zones to eliminate bunching, slipping and sagging
- Side panels and toe seams are flat knit to reduce compression and maximize ventilation; rib-knit cuffs hold socks up
- SmartWool process ensures excellent moisture wicking, breathability and insulation with no-itch softness; plus, they're shrink free!
- WOW (wool on wool) technology in the shins and soles adds cushioning in these potentially sensitive areas
SummitHut.com

The PhD Outdoor Light Crew is SmartWool's most versatile outdoor sock to date. The lightweight, half-cushion sole is highly durable and shock absorbant. Featuring the 4-Degree Fit System and new WOW (Wool on Wool) technology, this sock is perfect for cool light hikes and winter biking and trail running.
Features:
- 77% Wool, 22% Nylon. 1% ElasticT-Degree Fit System offers 4 compression bands and flex zones at the ankle, arch, lower and upper instep for a high performance all day fit
- Flat-knit toe seam for increased comfort and durability
- High density impact zones with WOW (Wool on Wool) technology in the heel and metatarsal areas for added protection and durability
- Light half-cushioning for comfort and shock absorption
- Mesh MVT Zones offer open mesh knitting for maximum ventilation
REI

Treat your feet to top-notch technology! SmartWool PhD Outdoor Light socks keep away the blisters with their comfortable design.
- WOW (wool on wool) technology in the shins and soles adds cushioning in these potentially sensitive areas
- SmartWool process ensures excellent moisture wicking, breathability and insulation with no-itch softness; plus, they're shrink free!
- Merino wool provides excellent temperature control and moisture management; reinforced with stretch nylon to maintain fit
- 4-degree banded fit system features elastic arches and ankle braces, along with contour flex zones to eliminate bunching, slipping and sagging
- Side panels and toe seams are flat knit to reduce compression and maximize ventilation; rib-knit cuffs hold socks up
- *Discount will be applied when you check out. Offer not valid for sale-price items ending in $._3 or $._9
Rock/Creek Outfitters
The PhD Outdoor Light Crew Sock by Smartwool is a highly versatile sock to be worn cool weather trail running, biking and anything else you decide you might want to do. Either way you get total support and comfort with the half cushion sole that provides shock absorbancy when hitting your boogie stride. Smartwool developed a new 4-Degree Fit system that creates a glove for your foot keeping you warm, comfy and supported.
Features:
- Cushioning throughout the sole for extra comfort and support
- Highly durable and shock absorbant
- Science and Smartwool PhD
- Wool on wool technologyT-Degree fit system
Altrec

No matter what adventure takes you outside, the SmartWool PhD Outdoor Light Crew for Men has got you covered. The most versatile active SmartWool Sock, the Outdoor Light is ideal for hiking, biking, or everyday wear.
Features:
- 77% wool, 22% nylon, 1% elasticT-Degree Fit System for all day performance fit
- Cushioing: Light Half-Cushioned
- Duroyarn reinforcement for added comfort and durability
- Height: Crew
- SmartWool inside for moisture, temperature, and odor control
- Strategic mesh zones for maximum ventilation
- WOW Technology™ in High Density Impact Zones to reduce shock & abrasion
Backcountry.com
From the trail to the office, the Smartwool PhD Outdoor Light Crew is an everyday all-star sock with tons of tech benefits. The 4-Degree Fit System utilizes athletic-shoe technology, creating a four zone support system in the ankle, arch, upper and lower instep. Stretch mesh along the top of the foot maximizes breathability, and WOW (Wool-On-Wool) double-layer impact padding in the toe and heel cushions your stride.
Ramsey Outdoor

SmartWool's most versatile outdoor sock. It's ideal for light hiking, trail running and biking or daily wear.
Features:
- 4-Degree Banded Fit System for all day performance fit.
- Duroyarn™ reinforcement for added comfort & durability.
- SmartWool inside for moisture, temperature, and odor control.
- Strategic Mesh Zones for maximum ventilation.W7% wool, 22% nylon, 1% elastic.
- WOW Technology in High Density Impact Zones to reduce shock & abrasion.
Moosejaw (Spring 2010)
No description provided.
Features:
- 4-Degree Fit System for all day performance fit
- Duroyarn reinforcement for added comfort & durability
- Smartwool inside for moisture, temperature and odor control
- Strategic mesh zones for maximum ventilationW7% Wool, 22% Nylon, 1% Elastic
- WOW Technology in High Density Impact Zones to reduce shock & abrasion
USOutdoor.com

SmartWool's most versatile outdoor sock. The lightweight half-cushion SmartWool sole is highly durable and shock absorbant; add the new 4-Degree Fit System and this sock is ideal for light hiking, cool weather trail running and biking, or as your everyday outdoor sock.
Features:
- 77% wool, 22% nylon, 1% elastic
Appalachain Outdoors

This light half-cushioned PhD Outdoor Light Crew is Smartwool's most versatile outdoor sock.
| Country of Origin: | China |
|---|---|
| Cushioning: | Light Half-Cushioned |
| Fabric: | 77% merino wool/22% nylon/1% elastic |
| Gender: | Unisex |
| Height: | Crew |
| Material: | 77% wool, 22% nylon, 1% elastic |
| Materials: | 77% Wool/22% Nylon/1% Elastic |
| Recommended Use: | Hiking, everyday wear |
| Sock height: | Crew |
| Weight / Thickness: | Lightweight |
| SmartWool PhD Outdoor Mid Crew Sock | $14.98 | |
| SmartWool PhD Light Mini Sock | $12.76 - $16.95 | |
![]() | SmartWool PhD Outdoor Light Performance Crew Sock | $19.95 |
| SmartWool PhD Outdoor Medium Crew | $19.95 - $21.95 |
![]() | SmartWool PhD Outdoor Light Crew - Women's | $14.98 - $19.95 |
| SmartWool PhD Outdoor Mid Crew Sock - Women's | $14.98 | |
| SmartWool PhD Outdoor Light Mini - Women's | $12.76 - $16.95 | |
| SmartWool Outdoor Medium Crew Socks - Women's | $17.95 - $21.95 |
These are products that have been indicated being comparable to this product:
| SmartWool PhD Outdoor Medium Crew Men's Clothing > Socks | $19.95 - $21.95 | |
| SmartWool PhD Ultra Light Micro Men's Clothing > Socks | $12.95 - $15.95 |
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