Insider: 20% Off

Comfort that doesn’t look like it should be relegated to the couch.

Constructed from a cotton-blend French terry.

The Foundation Sweatpant features a flat, braided drawcord with branded leather tips at the waistband.

The Foundation Sweatpant has a pocket with an AETHER woven patch label at the back body.

Design Details

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 $150.

Free Ground Shipping

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

Easy Returns

Pairs Well With

Women's Foundation Collection

EOS40

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.

Size

W Foundation Cropped Sweatpant - Nordic Navy

Women's Pants, Shorts & Jumpsuits

Women's Clothing

End-of-Season Sale

End-of-Season Sale - Women's

W Foundation Cropped Sweatpant - Light Heather Grey

Women's All

Cyber Monday 2024

Black Friday — Women

Loungewear

Handbuilt Moto Show

Active Online

Low Stock (Women's)

W Foundation Cropped Sweatpant - Bone

Archive Sale

Archive Sale – Men's

Men's (All Colorways)

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.

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 - Light Heather Grey

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

Foundation Sweatpant - Nordic Navy

Foundation Sweatpant - Light Heather Grey

Foundation Sweatpant - Light Camel

End-of-Season Sale - Men's

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

Foundation Sweatshort - Light Heather Grey

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

Foundation Full-Zip Hoodie - 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.

This garment features an insulating fill material designed to keep you warm when the temperature drops.

Insulation

lightweight

Level 1

versatile

Level 2

full

Level 3

Quietly technical yet protective, this garment was designed with strategically placed, innovative materials to help keep you safe from abrasions and impacts.

Moto Protection

LIGHT

Level CE 1

FULL

Level CE 2

Through design features like added stretch, articulation, and range of motion, this garment was built to keep you moving.

Movement

MEDIUM

MAXIMUM

This garment boasts weather-resistance, insulation, or protective features that maximize performance both on and off the slopes. 

Snow/Ski Performance

LIGHT FLURRY

VERSATILE

This garment is designed to perform best in the following temperature range. Please note: temperature accuracy may vary based on individual differences, activity level, and layering choices.

Temperature

 -10ºF to 20ºF

Extreme

20ºF to 40ºF

Cold

40ºF to 60ºF

Versatile

 50ºF to 70ºF

Lightweight

Through innovative fabrics and techniques, this garment is designed to help keep you dry in wet conditions.

Water Protection

 water-resistant

WATER-REPELLENT

WATERPROOF

This garment’s fabric has been specially engineered to resist harsh, whipping winds.

Wind Protection

WIND-RESISTANT

WINDPROOF

Japan

40 - 41

25.5

41.5

26.5

42.5

27.5

10.5

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

Shoulder Width

Chest

Shoulder width

Men’s Tops

Men's Bottoms

This garment was fully sewn first before being dyed, which creates a unique look.

This highly breathable fabric allows sweat vapor to escape while repelling external moisture from rain and snow to keep you dry.

A natural fiber grown without pesticides from seeds that have not been genetically modified.

This garment was designed to protect you from brief exposure to unexpected light rain showers.

This garment’s fabric or construction allows it to retain its shape and provide exceptional range of motion and comfort.

The fabric used in this garment provides a degree of wind resistance.

The hardwearing fabric and construction of this garment can resist normal scuffs, scraps, and rubbing from use.

Easy through hip and thigh, longer rise and fuller leg.

Through innovative materials and seam-sealing, this garment provides complete protection from rainy, wet conditions.

The fabric used in this garment wicks moisture away from the skin, helping to regulate temperature and keep you dry.

The zipper on this garment can be opened and shut from either the top or the bottom.

This garment is filled with natural or synthetic insulation to keep you warm when facing chilly conditions.

Far and away the industry leader in shock-absorbing body armor.

The innovative fabric used in this garment makes it 100% impervious to wind.

This Swiss textile manufacturer is known for their high performance, technical fabrics.

By allowing moisture to escape, this breathable garment will keep you cool during even the most high intensity activities.

The materials used in this garment help to trap heat, keeping you warm.

Straight through hip and thigh, slight tapered leg.

Natural down is nature’s ultimate insulator, providing an unparalleled warm-to-weight ratio.

By applying a special adhesive tape to this garment’s seams, moisture is prevented from entering.

Merino wool is a natural miracle: it’s lightweight, highly breathable, and effortlessly manages both temperature and moisture.

This garment was cut from a multi-layered technical fabric, which provides additional wind and moisture resistance.

Grown in the USA, this cotton’s extra-long staple fibers give it superior strength, softness, and color retention.

Slim through hip and thigh, narrow tapered leg.

This garment was designed with hydrophobic fabrics and/or special coatings, such as DWR,  that will bead water and provide an additional layer of rain protection.

This garment was responsibly designed with lower impact materials.

Sourced from the undercoat of cashmere goats, this luxuriously soft fiber is prized for its insulating properties.

 We’ve constructed this garment to be lightweight, making it easy to wear and highly packable.

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Foundation Sweatpant

Technical Features

Constructed from a cotton-blend French terry.

Design Details

Better together.

Technical Specifications

Foundation Sweatpant

Technical Features

Material

Design Details

Origin

AETHER Guarantee

Free Ground Shipping

Easy Returns

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Foundation Full-Zip Hoodie

Foundation Sweatshort

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Design Details