Womens The 400 Sweatpant in Walnut Front
Womens The 400 Sweatpant in Walnut Back
Womens The 400 Sweatpant in Walnut Side
Womens The 400 Sweatpant in Black Front
Womens The 400 Sweatpant in Black Side
Womens The 400 Sweatpant in Black Detail

The 400 Sweatpant - Womens

7 reviews
Regular price $145
Guaranteed For Life

We guarantee our apparel for life.

Zipper wears out? Get a snag or a hole? Send it back to us and we'll fix it for free or if we can't, we'll replace it with something comparable.

Free shipping over $99

2 in stock


2 in stock

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Our 100% GOTS certified organic cotton men's sweatpants are made in Canada. Superior softness and a brushed finish makes this style the best contender for optimum comfort.

The brushed fleece finish creates immediate warmth for wearer. This 400 grams per square meter fabric, is perfect for year around activities, but especially cozy weather and lounging at home. The fleece is milled, dyed and finished in Canada.

- Pre-shrunk fabric
- Flatlock seams
- Drawcord
- Welt pockets


Model is 5'10" and wearing size S.

Our organic cotton is highly durable. With standard use, it doesn't need to be washed after every wear. When it needs washing, here's how to preserve the longevity of the item:

  • Hand wash or machine wash cold on delicate
  • Tumble dry low or lay flat to dry
  • Do not wash in warm or hot water
Customer Reviews
4.9 Based on 7 Reviews
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27 Feb 2021
Canada Canada
  • Fit SmallTrue To SizeLarge
luxurious comfort

The sweatpants in walnut are made of a heavier cotton, and it's evident that it's high quality. Very comfortable, but the XL is roomier than I expected, whereas the L would have been too snug. Nevertheless, I am very happy with this product and its lifetime warranty.

26 Feb 2021
Leah W.
Canada Canada
  • Fit SmallTrue To SizeLarge
Considered, Worthwhile and Integrity

They feel high quality and made to last. They are worth the price, even if you have to save for them. It feels like I don't have to worry about plastic and non-organic materials.

17 Feb 2021
Phoebe .
Canada Canada
  • Fit SmallTrue To SizeLarge
Nice shop with great products

The feel and look

08 Feb 2021
Naomi G.
Canada Canada
  • Fit SmallTrue To SizeLarge

The fit is just what I was looking for and the quality is amazing! Supporting a small company who is doing things right.

11 Sep 2020
Perfect joggers, reasonable $

I'll start this by saying, I'm done with fast fashion and have been sewing most of my own clothing for the past couple years. I wanted to upgrade the many-years-old sweats I currently lounge in knowing they're going to get a lot of wear this winter and I priced out the cost to sew my own with organic cotton sweatshirt fleece. I decided this didn't seem like a fun project so next best thing was to find a pair made in Canada. So happy I gave Ecologyst a shot, they're high quality, comfy, warm. I'm going to buy the merino pants next. Buy less, take care of your clothing, support Canadian made and ORGANIC where possible

16 Apr 2020

I finally pulled the trigger and purchased these, after drooling over them for nearly a year. They are just as I expected from ecologyst/Sitka - incredible quality. I love that they are made in Canada and organic, which makes the splurge justifiable as I know I’ll have these for years. In addition, these pants are stylish with a tighter cut around the leg. They look polished and will keep me cozy during the COVID-19 social distancing times. If you’re considering purchasing these pants - do it! You won’t regret it. Your money will support this awesome locally owned and operated team, who have the goal to change consumer culture through timeless investment pieces that last... they even repaired my sweater this past fall. For reference, I’m 5”7 and 140 lbs and size 29/30 jeans and I purchased the large. I was nervous they would be big, but they are perfect and just a bit baggy to be comfortable. They also sit at my waist, which is unexpected but preferred.

06 Dec 2019
Cozy as heck

These are so cozy! The fleece fabric is heavy and very soft and warm, perfect for winter lounging. The fit is quite different than I expected. I ordered based on my measurements from the sizing chart, and I was expecting a loose fit like the product photos, but these fit me much more snugly like slim joggers. They're very comfy and flattering though! Maybe size up if you want a more relaxed fit.


We ensure the highest quality of apparel by making our clothing entirely in Canada and the United States. We support local employment using our own factory and partners located across North America.
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We guarantee our apparel for life. Zipper wears out? Get a snag or hole? Send it back to us and we’ll fix it for free or if we can’t, we’ll replace it with something comparable.


Whether you use our apparel for exploring nature or for nature’s well-being, we use sustainable, organic, and all-natural fibres so you can enjoy the power of nature to its fullest.