At first glance, a raglan shirt and a regular T-shirt may look similar. But the way the sleeves are cut and stitched makes a big difference in how they fit and move.
The main difference is that a raglan shirt has sleeves that extend to the collar with a diagonal seam from the underarm to the neckline, while a regular T-shirt has sleeves sewn with a straight seam at the shoulder.
I work with both styles in sportswear and casualwear. This construction detail affects comfort, style, and movement.
Table of Contents
- What is a raglan shirt?
- What is a regular T-shirt?
- Raglan vs Regular: Main Differences
- Which style should you choose?
- Conclusion
What is a raglan shirt?
A raglan shirt has a unique sleeve construction.
Instead of attaching the sleeve at the top of the shoulder, raglan sleeves are sewn diagonally, running from the underarm up to the neckline. This allows more range of motion and gives a sporty look.
Key features:
- Diagonal seam from the underarm to the neckline
- Often has contrasting sleeve colors
- Popular for baseball tees, sweatshirts, and athletic tops
See ASOS raglan sleeve shirts[^1].
What is a regular T-shirt?
A regular T-shirt uses set-in sleeves.
The sleeves are attached with a straight seam at the top of the shoulder. This gives a more classic, structured fit and is the most common sleeve style.
Key features:
- Horizontal seam at the shoulder
- Traditional, everyday style
- Works for all body types
Raglan vs Regular: Main Differences
| Feature | Raglan Shirt | Regular T-Shirt |
|---|---|---|
| Sleeve seam | Diagonal to neckline | Straight at shoulder |
| Movement | More arm flexibility | Standard mobility |
| Style | Sporty, casual, relaxed | Classic, structured |
| Common use | Baseball tees, sportswear | Daily wear, basic T-shirts |
Which style should you choose?
- Choose raglan if you want a sporty vibe, more shoulder mobility, or a baseball-style shirt.
- Choose regular if you prefer a classic cut that works for casual, layering, or business-casual looks.
Conclusion
A raglan shirt is defined by its diagonal sleeve seam that reaches the neckline, while a regular T-shirt has sleeves set at the shoulder. Raglan shirts are sportier and allow more movement, while regular T-shirts are the timeless everyday standard.
[^1]: ASOS – Men’s raglan sleeve T-shirts