Smartwool Active Run Pants - Men's
Put in more miles in the men's Smartwool Active Run pants. With a lightweight feel, relaxed fit and wool/lyocell-blend lining, they help keep you cool and comfortable so sweat doesn't slow you down.


- Lightweight, recycled, stretch-woven fabric with a quick-dry finish
- Fabric helps combine the moisture management, temperature regulation and odor resistance of merino wool with recycled polyester and TENCELâ„¢ lyocell fibers
- Regular fit is intended to help give you room to move without additional bulk
- Secure elastic waistband with adjustable drawcord
- Secure-zip pocket at side seam and drop-in hand pockets
- Vents at the back hems provide breathability
- Reflective elements
Imported.
View all Smartwool Men's Running PantsBest Use | Running Fitness |
---|---|
Fabric | 86% polyester/14% elastane (exclusive of decoration and elastic) |
Moisture Wicking | Yes |
Quick Drying | Yes |
Pant Fit | Standard |
Pant Leg Style | Jogger |
Inseam (in.) | 27 inches |
Gender | Men's |
Lining Fabric | 53% merino wool/47% TENCEL lyocell |
Weight | 9.7 ounces |
S | M | L | XL | XXL | |
---|---|---|---|---|---|
Chest | 36 - 38 | 39 - 41 | 42 - 44 | 45 - 48 | 49 - 51 |
Sleeve Length | 31 - 32 | 32 - 33 | 33 - 34 | 34 - 35 | 35 - 36 |
Waist | 29 - 31 | 32 - 34 | 34 - 37 | 38 - 40 | 41 - 44 |
Hip | 36 - 38 | 39 - 41 | 42 - 44 | 45 - 48 | 49 - 51 |
Inseam | 30 - 31 | 31 - 32 | 32 - 33 | 33 - 34 | 34 - 35 |
Sizing Notes
Measurements are stated in inches.
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Great for Cold Weather Runs
I'm generally not a pants or tights wearer when running unless it's super cold, which is rare in the South. However, I picked these up for a difficult100M ultra race because I knew they would be necessary for being out in the cold that long in the dark. These pants did not disappoint. My lower body was never cold in the 20-degree weather. These pants have just the right amount of flex and don't hinder your gait. I'm not a fan of pockets and loops because I wear a vest, but the pockets on these pants weren't obtrusive. I wish they were a bit longer, but this is one set of jogger length pants that actually fit over my large calves. I was not able to put them on at an aid station over my Altra Olympus shoes though. Overall, very comfortable with no chafing during a long stretch of wear.
Great runners but know that they are short
I appreciate Smartwool's line of products. They give real attention to detail and quality. What I didn't realize about these pants (size large) is that they are more of a 3/4 length pant - I'm 6' 1" and the bottom of the pants hit me a couple of inches below mid-calf, so quite a bit shorter than I expected. Other than that, and I can live fine with them being on the short side, they are good quality running pants. Maybe they are intentionally short-legged since they are designed for running.
light and airy
The material on these running pants are high-quality. They’re also very light and out of the way when you’re running I haven’t noticed any chafing. I’m going to buy me another one.
Great running pants
By far my favorite pants to run in. Surprisingly warm for how thin and light they are. I feel zero resistance when running in them.
Worth the Price point
Comfy! Warm! Worked well for long outdoor runs in colorado winter before the Sun came up.