“I was a little unsure about the oversized fit, but it sits really well on the shoulders. The shirt feels heavier than a normal tee, which makes it feel more premium.”
Daniel M.Verified buyer

Size guide. Measurements are body measurements and should be used as a fit reference.
Model fit examples
IN
| Size | Shirt Length (in) | Waist (in) | Hips (in) | Inner leg (in) |
|---|---|---|---|---|
| XXS | - | 24 - 26 | 28 - 30 | 31.75 |
| XS | - | 26 - 28 | 30 - 32 | 32 |
| S | 25.25 - 26.75 | 28 - 30 | 32 - 34 | 32.25 |
| M | 26.75 - 28.25 | 30 - 32 | 34 - 36 | 32.5 |
| L | 28.25 - 30 | 32 - 35 | 36 - 39 | 32.75 |
| XL | - | 35 - 39 | 39 - 43 | 33 |
| 2XL | - | 39 - 43 | 43 - 47 | 33.25 |
CM
| Size | Shirt Length (cm) | Waist (cm) | Hips (cm) | Inner leg (cm) |
|---|---|---|---|---|
| XXS | - | 61 - 66 | 71 - 76 | 80.5 |
| XS | - | 66 - 71 | 76 - 81 | 81 |
| S | 64 - 68 | 71 - 76 | 81 - 86 | 82 |
| M | 68 - 72 | 76 - 81 | 86 - 91 | 82.5 |
| L | 72 - 76 | 81 - 89 | 91 - 99 | 83 |
| XL | - | 89 - 99 | 99 - 109 | 84 |
| 2XL | - | 99 - 109 | 109 - 119 | 84.5 |
Choosing your size
Round 13 pieces are genderless and cut on a men's-unisex size scale. Choose your normal size for the intended fit, or size down for a cleaner fit. Measurements are a recommendation only.
Luxury streetwear cut from the fabric of boxing culture. Engineered for the canvas, refined for the street. Crafted in strictly limited, single-run collections. No restocks. No re-releases. What you own, few others ever will.
Paul Ortega was born and raised in Mexico City, where he still lives and works today.
Paul left school to carve out his own path in fashion, teaching himself how to design and make clothing while developing a style and point of view entirely his own, outside of a traditional fashion education.
His work is instinctive and hands-on. For Round 13, Paul starts with individually sourced vintage dress shirts, each with its own fabric, pattern, wear, and history. The shirts are recut and reworked before he paints each one by hand in his airbrush studio in Mexico City.
Rather than following an identical template, Paul responds to each garment individually. He works with what’s already there: the stripes, colors, fading, imperfections, and history of the original shirt.
The result is a piece that can’t be reproduced exactly.
Every shirt is different because every shirt starts different, and every one passes through Paul’s hands.
From the Round 13 community
All verified buyers
“I was a little unsure about the oversized fit, but it sits really well on the shoulders. The shirt feels heavier than a normal tee, which makes it feel more premium.”
Daniel M.“Quality is solid. I probably could have sized down for a cleaner fit, but I like the boxy look. The fabric has a good weight to it.”
Ryan A.“The branding is what I like most. It has the boxing feel without looking like something you’d only wear to the gym.”
Marcus L.“Wore the tee a few times already and it still holds its shape after washing. The neck and sleeves feel better than most streetwear tees I own.”
Chris R.“Good piece overall. The fit is definitely oversized, so check the size guide. Once I got used to it, I actually liked the look a lot.”
James T.“The tracksuit feels clean and structured. It’s comfortable but doesn’t look lazy. I’ve worn it to train and also just out during the day.”
Omar S.“Shipping took a couple extra days, but the product itself was worth it. Packaging felt nice and the tee felt premium right away.”
Anthony B.“Not too loud, not overbranded. It feels like a boxing-inspired brand made for everyday wear, which is exactly what I wanted.”
Luis G.“The shorts are comfortable and have a better fit than regular gym shorts. They don’t feel too thin or cheap.”
Jordan P.“Really like the design and quality. I’d like to see more colors, but the first drop feels strong.”
Ethan W.“The shirt has that heavier luxury streetwear feel. It’s not just a basic tee with a logo slapped on it.”
Nicolas V.“I bought it because I liked the boxing concept, but the fit is what impressed me most. Clean, oversized, and still wearable.”
Alex K.