Black Friday — 15% OFF Skin Shorts + Swimwear. Free Worldwide Shipping $99+.

Ultra Complex® builds systems where muscles meet fabric and movement becomes identity. Engineered for every rep, pose, and night.

Now introducing: Energy Shorts®. Professional training gear engineered for support, utility, and control.

Energy Shorts® →

Best Sellers

Close-up of a person's lower torso wearing black and white striped shorts in a sports style.
Shorts in Track
Alien Earring
Alien Spike Top

Engineered Compression

Second-skin stretch. Sweat-Smarter™ tech. 11 charged colorways — made to train, made to play, made to be seen.

Close-up of a man wearing striped green and black compression shorts with the word "ultra" on the left leg, standing with his back slightly turned.
Shorts in Butter
A man wearing green and black striped boxer briefs.
Shorts in Sweat
Person wearing optical illusion patterned boxer briefs with vertical stripes, standing with hands on hips.
Shorts in Haze
Back view of a shirtless man wearing gray and black striped boxer briefs, holding a light-colored bag.
Shorts in Force
Close-up of a man wearing black athletic compression shorts with white stitching and brand logo, with his hand on his lower back.
Shorts in Core

“They stay locked. No drift, no sagging. Best shorts I've trained in.”

Back view of a man wearing blue and gray striped compression shorts
Close-up of a man wearing purple and black CSM branded athletic compression shorts, showing the side and back view.
Shorts in Eclipse
Shorts in Sky
Close-up of a man's lower back and legs wearing pink and gray striped athletic shorts.
Close-up of a person’s lower back and right leg, wearing tight, orange and black patterned athletic shorts with white accents, designed for sports or workout activities.
Shorts in Solar
Shorts in Shock

Reviews

  • Black and white photo of a man standing on a boat fishing in a lake surrounded by tall trees.

    Nothing beats the feeling if training with these shorts. Flexibility, freedom, awesome quality!

    Angel Mario M

  • A black and white photo of a classical cityscape featuring a tall building with a square top, a clock tower, and a domed church in the foreground.

    So happy with how these shorts fit, and look! Everyone around me is constantly asking where I got them and I have never been more happy to share. Will be buying more soon!

    Brenden R

  • A text image with the phrase 'Ready to go' in black on a white background.

    They look small when you open the package but they fit like a glove! Compressed in all the right places and feel nice. Can’t wait to get more colors.

    Wesly M

  • A close-up of a black and white dog with its tongue out.

    These are amazing shorts from the quality to the fit (true to size). I'm 5'10" and 170 lbs and purchased a L (with a muscular build). I love the baby blue and will be purchasing more in the future!

    Bryan G

  • A basketball hoop with a net on a court.

    Perfect fit, the booty is bootying! High quality fabric. I recommend!

    Maxime H

  • A close-up of a plant with green leaves in a pot, taken indoors with a blurred background.

    Beautiful fit! This brand is dedicated to making sure people of all sizes can enjoy their skin shorts. I'm already thinking about my next order. Shipping to Canada went smoothly.

    Max M

  • A black and white photograph of a man playing a guitar in front of a microphone on a stage.

    Amazing, the coolest and comfortable

    Barbeito Neira E

Designed for Water, Sun and Sweat

Bodies are complex. So are we.
Our design fuses sport logic with graphic language—silhouettes carved from muscle, sweat, and speed. Ultra is not just what you wear. It’s how you perform.

Crafted with Italian fabrics from Milan, designed in Tel Aviv & New York, precision-cut in Xiamen. Brought to life by a multicultural team — made to perform on every body.

A man wears black underwear with white text on the front, standing with arms relaxed at sides, against a white background.
Alpha Sunga
Close-up of a man's lower torso and upper legs wearing green underwear with branding.
Muscle Tanga
A shirtless man with tattoos, wearing navy blue underwear with white accents, and a silver necklace with a spherical pendant.
Straight Bottom
Shop All Swimwear →