New Season

Stretch. Sculpt. Slay.

Activewear engineered for the bold. Seamless tech, squat-proof fabric, ethical production — for women, men and their equally fashionable pets.

  • Free shipping €75+Across Europe, 2–4 days
  • 14-day returnsEasy, no questions asked
  • Secure checkoutKlarna, PayPal, Apple Pay
  • Ethical & sustainableOEKO-TEX certified fabric

Loved by the community

Best sellers.

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Our story

Confidence is the new luxury.

We don't follow trends — we start them. 4Sassy was built for bold women, stylish men, and their equally fashionable pets, all moving with purpose and attitude.

Every piece is engineered to mix sass with substance: seamless tech, squat-proof fabric, OEKO-TEX certified materials, and a fit that hugs you in all the right places.

Read Our Story

— Move with sass.

The lookbook

Shop the edit.

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Look 01
The Studio Set
Look 02
Off-Duty Energy

What the community says

Loved by thousands.

4.8based on verified reviews

“Better than my designer leggings.”

I bought the Sculpt Leggings on a whim and they're now the only ones I wear. Sweat-wicking, squat-proof, and the waistband doesn't roll down. Already ordering a second pair.

Amira M.
Verified buyer · Berlin

“Fits like couture, prices like high-street.”

The FlowFlex top is genuinely flattering and the fabric feels expensive. I was skeptical of the size guide but it's bang on — measured my hips, ordered M, perfect fit.

Chloe L.
Verified buyer · Paris

“Even my dog gets compliments.”

Bought the LED collar for my husky and now we're stopped on every walk. Reflective in headlights, charges in 90 min, and survived a swim. Worth every euro.

Hannah K.
Verified buyer · Munich

@4sassyofficial

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Help center

Asked & answered.

More questions? Contact us

How long does shipping take?

4Sassy ships across Europe in 2–4 business days. Shipping is free on all orders over €75; below that, rates are calculated at checkout.

What is your return policy?

You can return any unworn item with tags within 14 days of delivery for a full refund — free and with no questions asked.

Are 4Sassy leggings squat-proof?

Yes. Our leggings use a double-knit seamless fabric that stays fully opaque in a deep squat. If you disagree, return them free within 14 days.

How do the sizes run?

4Sassy activewear runs true to size. If you are between sizes and prefer a compressive fit, size down; for a relaxed fit, size up. Every product page includes a detailed size chart.

How do I track my order?

As soon as your order ships you receive an email with a tracking link. You can also find tracking in your account under Order history.

How do I get 10% off my first order?

Sign up for the 4Sassy newsletter and we email you a 10% welcome code to use on your first order at checkout.

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