Constructed from a cotton-blend French terry.

The Foundation Sweatshort features slanted hand pockets and a flat, braided drawcord with branded leather tips at the waistband. 

There are pockets at the back body, one with an AETHER woven patch label.

Wear the Foundation Sweatpant on its own or pair it with the Foundation Hoodie or Foundation Pocket Crew for ultimate comfort.

Better together.

We make things that will last. Life isn’t disposable, so we don’t make disposable things. It’s no good if it only looks good. It needs to perform, too. Pieces that last longer than a moment, beyond a season. We design for a long life because we value a life well-lived.

AETHER Guarantee

We offer free ground shipping on U.S. orders over $100.

Free Ground Shipping

AETHER orders* can be returned within 30 days for either an exchange or refund.

Easy Returns

Pairs Well With

High-Quality Basics

Non-EOS For Discounts 2024

The 100% cotton, super-soft Relaxed Crew Tee is just what its name suggests: It’s the easy, comfortable staple every man needs.

Size

Relaxed-Fit Crew Tee - White

Gifts by Interest

All Gifts

EOS50

We take sweatshirts very seriously, and the Foundation Hoodie is darn close to perfect (if you ask us). This hoodie is simple enough to be your favorite, go-to sweatshirt for hanging out at home, but small details like exposed flatlock stitching at the join seams and the raglan sleeves create a refined aesthetic that allows it to be taken out into the world as well.

Foundation Hoodie - Nordic Navy

Men's All

End-of-Season Sale

End-of-Season Sale - Men's

Black Friday 2023

Black Friday — Men

We take sweatshirts very seriously, and the Foundation Hoodie is darn close to perfect (if you ask us). This hoodie is simple enough to be your favorite, go-to sweatshirt for hanging out at home, but small details like exposed flatlock stitching at the join seams and the raglan sleeves create a refined aesthetic that allows it to be taken out into the world as well.

Foundation Hoodie - Light Heather Grey

We take elevated loungewear seriously, and the Foundation Pocket Crew exemplifies that.

Foundation Pocket Crew - Bone

We take elevated loungewear seriously, and the Foundation Sweatpant exemplifies that.

Foundation Sweatpant - Nordic Navy

Men's Clothing

Men's Pants and Shorts

Men's Foundation Collection

Year-Round Best Sellers

Men's Year-Round Best Sellers

Loungewear

We take elevated loungewear seriously, and the Foundation Sweatshort exemplifies that.

We take elevated loungewear seriously, and the Foundation Sweatshort exemplifies that.

Foundation Sweatshort - Nordic Navy

Foundation Sweatshort - Light Heather Grey

We take elevated loungewear seriously, and the Foundation Full-Zip exemplifies that.

Foundation Full-Zip Hoodie - Nordic Navy

The men’s leather Dalton Low-Top Sneaker features D3O®—the same protection we use in our motorcycle gear—at the insole for serious comfort while on your feet.

Dalton Low-Top Sneaker - White

Women's Pants, Shorts & Jumpsuits

Women's Clothing

Women's Foundation Collection

End-of-Season Sale - Women's

We take elevated loungewear seriously, and the W Foundation Cropped Pant exemplifies that. The W Foundation Cropped Pant is constructed from a cotton-blend French terry with rib knit at the waistband and a flattering, cropped fit.

W Foundation Sweatshort - Bone

Women's All

Black Friday — Women

W Foundation Sweatshort - Light Heather Grey

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Discounts may not apply to brand collaborations or third-party products and cannot be combined with another promotion.

Japan

40 - 41

25.5

41.5

26.5

42.5

27.5

43.5

28.5

29.5

30.5 Men's Shoes

A slimmer, form-fitting style that hugs to the body closely.

Form Fitting

Our standard fit is a tailored look with a slightly slimmer silhouette.

Standard fit

Our relaxed fit is looser, but not overly boxy. 

Relaxed Fit

Measure around the waist at the belly-button level. The tape should have some give and not be too snug.

Waist

Measure around the fullest part of your hips, keeping the tape horizontal.

Measure from the top of your inner leg to the bottom of your leg.

Leg Length

Size (US)

XXS / 0

XS / 1

S / 2

M / 3

L / 4

XL / 5

Women's Bottoms

Slim Fit

Measure under the arms, around the body, at the fullest part of the chest. Be sure to keep the tape level.

Bust/Chest

Low Hip

XXS / O

Women’s Tops

4 - 4.5

5 - 5.5

6 - 6.5

7 - 7.5

8 - 8.5

9 - 9.5

10 - 10.5

Women's Shoes

Standard Fit

Pass the tape measure straight across from the tip of one shoulder to the other, just above your shoulder blades

Foundation Sweatshort

Constructed from a cotton-blend French terry.

Better together.

Technical Specifications

Features & FIT

Temperature Range

AETHER Guarantee

Free Ground Shipping

Easy Returns

You May Also Like

Foundation Sweatpant

Foundation Hoodie

Foundation Full-Zip Hoodie

Pairs Well With

Relaxed-Fit Crew Tee

Foundation Hoodie

Dalton Low-Top Sneaker

Foundation Pocket Crew

Constructed from a cotton-blend French terry.