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SmartWool PhD Cycling Ultra Light Mini Sock - Men's

Out of Stock

Item # SWL0285

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Item # SWL0285


Ride longer when you wear these moisture-wicking cycling socks.

The Smartwool Men’s PhD Cycling Ultra Light Mini Sock features a four-degree fit system and WOW technology for long-lasting durability. Wool fabric naturally manages moisture and dries quickly to keep your feet comfortable as you ride.

Size chart


Socks (Shoe Size Reference)

Sock Size →
Small Medium Large X-Large
US MEN'S 3 - 5.5 6 - 8.5 9 - 11.5 12 - 14.5
US WOMEN'S 4 - 6.5 7 - 9.5 10 - 12.5 N/A
EU 34 - 37 38 - 41 42 - 45 46 - 49
UK 2 - 4.5 5 - 7.5 8 - 10.5 11 - 13.5

Sock Size →
X-Small Small Medium Large
US 6 - 8.5 9 - 11.5 12 - 2.5 3 - 6
EU 22 - 25 26 - 28 29 - 32 33 - 36
UK 5 - 7.5 8 - 10.5 11 - 13.5 1 - 4.5

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Here's what others have to say...

5 5

Haven't found anything better

I used to buy all sorts of socks, but once I found SmartWool, I was done with that racket. When I find these on sale I buy extras and put them away for later. The mini, the micro, the light, the extra-light... I love them all, on and off the bike. And when it's wicked cold out, I put on my SmartWool snowboarding socks.

5 5

Great socks!

These socks are great. They fit tight, do not bunch up, have padding on just the right places, and keep your feet cool and dry.

5 5

SmartWool is the smart choice

These socks are some of best I've ever had for cycling. They hug your foot without any tightness and support the arch really well. They may say ultra-light, but they work from low 40's up for warmth. Even in hot weather, my feet stay dry. Get as many pairs as you can, these are great.

5 5

Great socks

Love these socks. Got them off of Bonktown and man, they are better than I thought. Great support and cushion (despite being the ultra light version), and my feet stay cool and never clam up.

5 5


These socks are amazing. I live in WI and I wear them on outdoor rides from March through September. They keep my feet warm when it's cold and they wick sweat and keep my feet from pruning when it's hot. Plus, being smartwool, they are pretty versatile for sizing. I liked my first purchase (3 pairs) so much I bought 4 more the next time I saw em on Bonktown. They only had 2 pairs of L left so I went out on a limb and got 2 M. They all fit and perform great. Buy these socks!

5 5

I never thought I'd review socks...

It's kind of embarrassing how much I love these socks. The ultra-light wool is perfect for summer riding--comfortable, cool, and THEY NEVER STINK!!

I have a few pairs & I have to constantly fight the urge to buy more...

5 5

Holy Moly!

Seriously, I never thought I would like wool socks. The last experience I had with expensive performance socks was a nightmare and I've been going with Costco's Champion (cotton) socks ever since... until I bought these on a whim from Bonktown. I love them, their temperature and moisture control is better than I ever imagined. Great for both cycling and running, and I plan to buy several more pair. They are really worth $15/pair and are a STEAL at $5!

5 5


Picked these up for riding, but now I wear them around a lot. They look a little zany for every day wear, but have been holding up well, are wicked comfy, and have the awesome SmartWool temperature regulation going for them. Awesome.

5 5

Excellent socks!

These are the best socks! They fit very well, are comfortable and odorless. Seriously, I rode them two days in a row under the sun and they don't pick up any bad smell. Higly recommended!