Men's tops sizing varies more than most people expect between fits (slim, regular, oversized) and styles (tees vs. button-ups vs. tanks). Here's how to measure correctly and find the right size across the full range.
The Three Measurements That Matter
- Chest — measured around the fullest part of the chest, under the arms, tape parallel to the floor.
- Length — measured from the highest point of the shoulder down to the desired hem.
- Sleeve — measured from the shoulder seam to the end of the sleeve, relevant for long-sleeve and button-up styles.
Size Range Reference
| Size | Chest (approx.) | Best for |
|---|---|---|
| XS | 34-36" | Slim, smaller builds |
| S | 36-38" | Slim-regular builds |
| M | 38-40" | Average builds |
| L | 40-42" | Average-larger builds |
| XL | 42-44" | Larger builds |
| 2XL-3XL | 44-50" | Plus-size, broader chest/shoulders |
| 4XL-6XL | 50-58" | Extended plus-size |
| 7XL-8XL | 58"+ | Maximum extended sizing |
Fit Type Changes the Math
A slim-fit top in a given size will fit noticeably closer to the body than an oversized top in the same labeled size. If you're between sizes, size up for slim/muscle-fit styles and consider your true size (not up) for oversized styles, since those already build in extra room.
Common Sizing Mistakes
- Measuring over thick clothing — always measure against skin or a thin base layer for accuracy.
- Ignoring sleeve length on button-ups — a correct chest size doesn't guarantee the sleeve length matches your arm; check both separately for dress and casual button-up shirts.
- Assuming consistent sizing across styles — a size L tank top and a size L button-up shirt are not built the same way; always check the specific product's size chart.
Extended Sizing Tips (4XL-8XL)
Look for tops with a slightly dropped shoulder seam and articulated side seams, which tend to fit broader frames more comfortably than a straight-cut standard tee. Ribbed or reinforced collars hold their shape better over repeated wear at any size.
Browse our full Men's Tops collection to find your fit across every size.