Great for any time
"These long underwear are actually fine as leggings too when you’re wearing shorts and it’s cold out. The feel and fit is very comfy."
Get the inside scoop on your favorite collections, product launches, and exclusive offers, delivered right to your inbox.
Get the inside scoop on your favorite collections, product launches, and exclusive offers, delivered right to your inbox.

Making clothing can be a dirty business, but we strive to keep it clean. Our line is crafted for quality and long-term performance. And we limit what we make: small-batch production ensures every garment is built to the highest standards and finds a loving home. Our approach minimizes landfill waste and uses less energy and water. We know it’s disappointing when a style you love is out of stock, but we appreciate your joining us in our pursuit of the highest environmental standards and carbon neutral impact.
| Size | Chest | Waist | Neck | Sleeve Length | Inseam |
| S | 36-38 | 29-31 | 14-14 1/2 | 32-33 | 30-31 |
| M | 39-41 | 32-34 | 15-15 1/2 | 33-34 | 31-32 |
| L | 42-44 | 34-37 | 16-16 1/2 | 33-34 | 31-32 |
| XL | 45-47 | 38-40 | 17-17 1/2 | 35-36 | 32-33 |
| XXL | 48-50 | 42-44 | 18-18 1/2 | 36-36 1/2 | 32-33 |
Next to Skin: Your second layer of skin, hugs the body tight for optimal layering.
Athletic: Snug fit, this layer fits close to the body for a contoured, slim silhouette.
Standard: Not too snug and not too loose, this layer is right in the middle for everyday use.
Relaxed: Loose fit for comfort and extra layering underneath.
Sleeve: With arm slightly bent, measure from the center back of your neck (at your spine) to the elbow and down to your wrist.
Bust/Chest: Measure full circumference of the chest at the widest point, under the arms.
Waist: Measure full circumference of the waist at the smallest point.
Hips: Measure full circumference of the hips at the widest point.
Inseam: Place measuring tape at crotch and measure to ankle.
For any sizing, styling, or general inquiries, please contact us.
Love the Woolies 2 Collection? This is its future.
Love the Woolies 2 Collection? This is its future.
Collection(s):Woolies 250
Composition: 100% Merino
Weight(s): 250 gsm
Micron gauge: 18.4μm
Pure performance merino wool engineered to keep you warm and dry in blustery conditions. With a softness comparable to jersey knit, our 100% Merino Interlock is double knit for added durability and structure, with the freedom of movement to take on anything.
Overall rating: 4.847826 / 5 from 46 reviews.
Men's Woolies 250 Bottoms offer breathable, mid-weight comfort for cold conditions, praised for their durability and warmth. The anatomical stitching and covered waistband ensure all-day wearability, making them ideal for outdoor activities.
Review topics: ["fit","feel","look","pants","quality","weight","band","wool","warmth","layer","underwear","bottoms","waistband","gear","merino"].
"These long underwear are actually fine as leggings too when you’re wearing shorts and it’s cold out. The feel and fit is very comfy."
— Willian D. (5/5)
"My husband loves them."
— Shannon (5/5)
"Warm, soft, comfortable, easily washed, good looking and hopefully durable, what else could you want from long underwear?"
— Marc L. (5/5)
"I use these for running in the Minnesota winter and they keep me nice and warm. Would recommend!"
— Lauren K. (5/5)
"I love these pants! Most comfortable base layer i own"
— Joey B. (5/5)
"the real deal"
— Lars (5/5)
"I’m so happy with my purchase!"
— Derrick S. (5/5)
"So comfortable. Almost worth winter to get to wear these. Almost…."
— tom c. (5/5)
"Fantastic thermals, very nice"
— Christopher W. (5/5)
"These are 100% Merino and many brands claim Merino Wool and are 15% to 40% Merino Wool. They are well made Look Great and Fit me (I am 6’6” and 230lbs, it is not easy to get clothes that fit me)"
— John G. (5/5)