Size Guide

Men's Tops Size Guide

Size Guide

Measurements taken in inches

Size Neck Chest Waist Sleeve
S 14-14.5 36-38 30-32 32-33
M 15-15.5 38-40 32-34 33-34
L 16-16.5 42-44 36-38 34-35
XL 17-17.5 46-48 40-42 35-36
XXL 18-18.5 50-52 44-46 36-37
XXXL 18.5-19 52-54 48-50 37-38

Measurement Guide

Neck

Measure around the base of your neck where your shirt collar sits.

Chest

Measure around the fullest part of your chest, just below your armpits.

Sleeve Length

With your elbow slightly bent, measure from the center back of your neck, across your shoulder, to your wrist.

Waist

Measure around your true waist, where your pants waistband would normally sit.

FAQ

How do I choose the right size for men’s tops?
Use chest and shoulder measurements from the size guide to determine your best fit, explore styles in Men's Polos.

Do men’s tops run true to size?
Most styles are designed to fit true to size with a tailored yet comfortable feel, compare fits in Men's T-Shirts.

What if I am between sizes in tops?
If between sizes, choose based on whether you prefer a relaxed or fitted look, explore options in Men's Layering.

Are men’s tops slim fit or relaxed fit?
Fits vary by style from tailored to relaxed silhouettes, browse a variety of fits in Men's Button Up Shirts.

Do you offer different fits, ie standard, athletic, slim?
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.