Crafted from 100% extra-fine merino wool.

The Cooper Sweater features our signature slim fit.

A mix of a textured, novelty stitch and a flat stitch create an interesting and subtle design. 

Design Details

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.

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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.

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Pairs Well With

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The 100% extra-fine merino wool Cooper Sweater features our signature slim fit.

The 100% extra-fine merino wool Cooper Sweater features our signature slim fit.

Cooper Sweater - Nordic Navy

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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 goose 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.

Cooper Sweater

Crafted from 100% extra-fine merino wool.

Design Details

Technical Specifications

Cooper Sweater

Technical Features

AETHER Guarantee

Free Ground Shipping

Easy Returns

Pairs Well With

Norton Cotton Ripstop Pant

Eco Insulated Jacket

Launch Jacket

Chalet Cotton Beanie

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Crafted from 100% extra-fine merino wool.

Design Details

AETHER Guarantee

Free Ground Shipping

Easy Returns

Pairs Well With

Norton Cotton Ripstop Pant

Eco Insulated Jacket

Launch Jacket

Chalet Cotton Beanie

You May Also Like

Corbin Sweater

Irving Sweater

Sawyer Cashmere Full-Zip

Riley Full-Zip Sweater