What Shirt Size Should You Buy From Double You Studios in 2026?

The right shirt size comes down to matching your chest measurement and preferred fit to our sizing chart rather than guessing from a label. Double You Studios shirts run true to standard UK sizing, but fit varies between boxy and slim cuts, so checking measurements first saves you a return and a headache.

Streetwear shirts aren’t meant to fit like office shirts. Double You Studios designs pieces that sit slightly looser through the chest and shoulders, built for layering over tees or under jackets. That’s why getting your shirt size right matters more here than with a fitted dress shirt.

How To Work Out Your Shirt Size

Start with a soft tape measure and measure around the fullest part of your chest, under your arms, keeping the tape level. That number is your baseline for choosing a shirt size across the Double You Studios range.

• XS/S (34-38in chest): slimmer frames wanting a closer, cleaner silhouette.
• M (38-40in chest): the most common fit, works with most of our Pinstripe Shirt colourways.
• L (40-42in chest): roomier through the shoulders, good for layering a knit underneath.
• XL/XXL (42in+): oversized streetwear fit, ideal if you want the boxy drop-shoulder look.

If you’re between two sizes, Double You Studios recommends sizing up for a relaxed streetwear silhouette rather than sizing down for a tighter fit. Shirts shrink slightly after a few washes, so a little extra room now pays off later.

Boxy Fit vs Slim Fit Shirts

Not every shirt in the Double You Studios catalogue fits the same way. Pinstripe Shirts tend to sit closer to the body, while some of our heavier weight shirts have a boxier drop shoulder built in. Always check the product description for fit notes before locking in your shirt size, because two shirts in the same labelled size can wear differently depending on the cut.

Layering Shirts With Hoodies And Knitwear

A lot of our customers buy shirts specifically to layer over hoodies or under jackets, which changes how you should think about your shirt size. If you’re planning to wear a shirt open over a tee from the Double You Studios hoodie collection, go with your usual size or even half a size up so it drapes properly without pulling tight across the shoulders.

For layering under a jacket, a slightly closer shirt size works better since you don’t want excess bulk bunching up at the cuffs or collar. Double You Studios jackets are cut to accommodate a regular fit shirt underneath, so there’s no need to size up twice.

Common Sizing Mistakes To Avoid

The biggest mistake shoppers make is measuring themselves over a thick jumper rather than a plain tee, which throws off the whole process. Measure in light clothing and compare against the Double You Studios size chart rather than relying on sizes from other brands, since fits aren’t standardised across streetwear labels.

Another common error is ignoring shoulder width. A shirt can fit right at the chest but feel tight across the shoulders if the drop is too short. Double You Studios shirts are cut with a slightly dropped shoulder as standard, so most customers find true to size comfortable even in the boxier styles.

Why It’s Worth Getting It Right

Getting your shirt size correct the first time means fewer returns and a shirt that actually works across your whole wardrobe, not just one outfit. Visit Double You Studios to browse the full shirt range, check individual fit notes on each product page, and shop with confidence knowing exactly what you’re getting.

Double You Studios stocks 31 shirt styles, including repeated favourites like the Pinstripe Shirt across multiple colourways, so once you’ve nailed your size you can shop the rest of the range without remeasuring every time.

Frequently Asked Questions

What shirt size should I buy from Double You Studios?
Measure your chest and match it to our size chart: most customers find Medium fits a 38-40in chest comfortably, but size up if you prefer a boxier streetwear look.

Do Double You Studios shirts run small or large?
Most shirts run true to UK sizing with a slightly relaxed cut through the shoulders, so there’s no need to size up unless you want an oversized silhouette.

Should I size up for an oversized look?
Yes, sizing up one size gives you the dropped shoulder, boxy streetwear fit that works well layered over hoodies or tees.

Can I layer a shirt over a hoodie?
Yes, our shirts are cut with enough room to layer over hoodies comfortably, particularly if you go true to size or half a size up.

What if I’m between two sizes?
Size up rather than down. Streetwear fits generally look and feel better slightly loose rather than tight.