Undershirt for men with broad shoulders
Oct 06, 2026
Short answer: With broad shoulders, an undershirt often gets tight across the upper arm and shoulder while hanging loose at the waist. Choose a model with soft stretch and room in the armhole, and pick the size by the widest part of your body.
Why standard models feel tight
Many undershirts are cut for an average body, where the shoulders and waist sit closer together. With broad shoulders, the fabric pulls across the upper arms and rises at the neck, while it hangs down around the stomach. That is a flaw in the cut, not something you need to fix about yourself.
Choose the size by the widest point
Measure or feel where you are widest, often across the chest and shoulders, and pick the size from that. If you hesitate between two sizes, the larger one can give room to move your arms freely. The undershirt can sit slightly loose at the waist if it does not pull anywhere else.
Armhole and sleeves
The armhole decides whether the undershirt chafes in the armpit. A too small opening cuts in when you lift your arm, and a too large one lets in too much air at the side. Lift both arms in front of the mirror and feel whether the fabric tugs at the shoulder or stays calmly in place.
Stretch in the fabric
A fabric with soft stretch follows your body as you move and gives over the shoulders without losing its shape. Feel whether the fabric springs back when you pull on it lightly. If it is completely stiff, a broad shoulder quickly becomes a source of tension all day long.
Length over a broad upper body
A broad upper body uses more fabric across the width, so an undershirt that has gone shorter in the wash can quickly end up at your stomach. Pick a length that covers your hips, and check it after the first wash. A slightly longer model is often steadier than a short one.
Under a sweater or sweatshirt
When the undershirt is worn under a thicker top, it should not add width across the shoulders. A thin, smooth model gives room, and you can see how it looks with bamboo sweatshirt for men. Try them together, so you can feel whether the sleeves and shoulders still work as a pair.
Washing so the shape holds
Wash the undershirt according to the care label, and do not hang it on a thin hanger that pulls the shoulders out of shape. Lay it flat to dry or hang it by the hem. An undershirt that is allowed to keep its shape also fits better the next time.
The rest of the basics
If the undershirt fits, the rest of your clothing can follow. Soft bamboo boxer briefs with a good fit make the day more comfortable, and among bestsellers for men you can see what other men choose most often. Think of the whole layer next to the skin, so no part feels tight or in the way.
Frequently asked questions
Should I choose size by shoulder or waist?
Choose by the widest point, often shoulders and chest, so you can move your arms freely. If the undershirt hangs a little loose at the waist, that is often better than tight shoulders.
How do I know whether the armhole is good?
Lift both arms in front of the mirror and pay attention. If the fabric chafes in the armpit or tugs at the shoulder, the armhole is too small, and you should try another size or model.
Can an undershirt get too short after washing?
Yes, especially if it is short to begin with. Pick a generous length, wash according to the care label, and check the length after the first wash so you know how it behaves.
See our range of bamboo undershirts for men.