Measurements taken in inches
Men's Tops Size Guide
Size Guide
| Size | Neck | Chest | Waist | Sleeve |
|---|---|---|---|---|
| S | 14-14.5 | 38-40 | 28-32 | 32-33 |
| M | 15-15.5 | 40-42 | 32-36 | 33-34 |
| L | 16-16.5 | 42-44 | 36-40 | 34-35 |
| XL | 17-17.5 | 44-46 | 40-44 | 35-36 |
| XXL | 18-18.5 | 46-48 | 44-48 | 36-37 |
| XXXL | 18.5-19 | 50-52 | 49-52 | 37-38 |
Measurement Guide
Neck
Measure around the circumference of your neck where your shirt collar sits.
Chest
Measure comfortably around the widest part of your chest under your armpit.
Sleeve Length
Measure from the center back of your neck along the shoulder to wrist.
Waist
Measure around your true waist, right where your pants waistband would normally sit.
FAQ
Use chest and shoulder measurements from the size guide to determine your best fit, explore styles in Men's Polos.
Most styles are designed to fit true to size with a tailored yet comfortable feel, compare fits in Men's T-Shirts.
If between sizes, choose based on whether you prefer a relaxed or fitted look, explore options in Men's Layering.
Fits vary by style from tailored to relaxed silhouettes, browse a variety of fits in Men's Button Up Shirts.
JO doesn’t use traditional fit categories like athletic or slim. We offer a standard fit across all menswear, and each style is designed based on its category, fabric, and intended look. You can confidently choose the same size across different styles, and it will fit as designed.
Clean Fit Through the Shoulders and Body
A great-fitting Men's top starts with the right structure. This guide helps you find sizing that sits comfortably through the shoulders while maintaining a streamlined look.
Elevated Comfort for Everyday Wear
The right balance between structure and ease makes Men's tops more versatile. Whether casual or refined, proper sizing keeps everything feeling comfortable without looking oversized.
Consistency That Simplifies Dressing
Once your sizing is dialed in, building outfits becomes second nature. A reliable fit creates a strong foundation for everyday style.