Notice The Difference T Shirt
Size guide
All measurements in inches. Our tees are true-to-size with a modern athletic fit.
| Size | Chest | Waist | Length |
|---|---|---|---|
| S | 34–36" | 28–30" | 28" |
| M | 38–40" | 32–34" | 29" |
| L | 42–44" | 36–38" | 30" |
| XL | 46–48" | 40–42" | 31" |
| 2XL | 50–52" | 44–46" | 32" |
| 3XL | 54–56" | 48–50" | 33" |
How to Measure
Chest
Measure around the fullest part of your chest, keeping the tape horizontal.
Waist
Measure around your natural waistline, keeping the tape comfortably loose.
Length
Measure from the highest point of the shoulder to the bottom hem.
💡 Tip: If you prefer a looser fit, we recommend sizing up one size.
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Premium Everyday Comfort
100% Ring Spun Cotton - Softer, stronger, and more durable than standard cotton. Pre-shrunk for a consistent fit wash after wash.
Breathable Fabric - Lightweight 4.5 oz fabric keeps you comfortable from morning to night.
True-to-Size Unisex Fit - Relaxed, comfortable silhouette that fits most body types with ease.
Official Disclaimer
Wearing this shirt won’t guarantee you spot a rare bird, but it will guarantee you look better than the guy in the neon vest next to you. If you still go home empty-handed, that’s a user error—not a wardrobe issue.
Free & Easy Returns
30-Day Money Back Guarantee - Love your tee or your money back.
Printed in the USA - All USA orders are printed and shipped from the USA.
Notice The Difference T Shirt
The Birder’s Everyday Tee
Wear What You Notice.
You heard it before you saw it. You noticed the wing bars, remembered the call, and looked up while everyone else kept walking.
Birdertee creates apparel for people who experience the world this way. Every design begins with a real birding moment and turns it into something thoughtful, accurate, and easy to wear.
Because the best bird shirts do more than show a bird. They help another birder recognize you.
