
NorthPower Size Guide
Find your size by body weight. Sitting between two sizes? Go one size up for the most comfortable fit.
| Size | Body weight |
|---|---|
| S | 110–154 lbs |
| M | 154–198 lbs |
| L | 198–243 lbs |
| XL | 243–287 lbs |
| 2XL | 287–331 lbs |
| 3XL | 331–375 lbs |
| 4XL | 375–419 lbs |
| 5XL | 419–463 lbs |
Available sizes can vary by style — the size menu on each product shows what is in stock.
Look Sharper In Everything You Own
Want your shirts to hang better and your outline to look cleaner from the first coffee to the last meeting? That's exactly the job NorthPower was built for.
Its firm compression knit holds close to your torso, tidies the line between chest and waist and stays comfortable through a full day. The payoff is simple: a cleaner silhouette, and the easy confidence of clothes that finally sit right.
SMOOTHER MIDSECTION
FLATTER CHEST LINE
LOCKED-IN SIDES
NOTHING SHOWS THROUGH
STAYS PUT ALL DAY
SHIRTS FIT. FINALLY.
NorthPower vs. Ordinary Undershirts
|   | NorthPower | Others |
|---|---|---|
| Comfortable compression from morning to night | ||
| Tough, high-grade knit that keeps its shape | ||
| Invisible under any shirt | ||
| Looks sharp on its own as an athletic top | ||
| Light, moisture-wicking fabric |
Real Guys. Real Words.
Individual results vary.
Still Have Questions? We've Got Answers
Who is NorthPower for?
Who is NorthPower for?
Any guy who wants his shirts to sit cleaner and his outline to look sharper — at the office, on a night out or under a fitted tee. It's made for real bodies, in sizes S to 5XL.
How does the NorthPower tank work?
How does the NorthPower tank work?
It's all in the knit. Firm compression panels hold close to your chest and midsection, contoured side zones keep the lines clean and a no-roll hem keeps everything where it should be.
When will I see a difference?
When will I see a difference?
The moment you put it on. NorthPower shapes your outline while you wear it, so the change shows under your shirt from day one.
What if my size doesn't fit?
What if my size doesn't fit?
No problem. Message us through our Contact page and we'll set up an exchange straight away — returns and exchanges are free.
How long does shipping take?
How long does shipping take?
Delivery normally takes 7–15 working days, depending on your location and customs. You'll receive a tracking link as soon as your order ships.
Can I put NorthPower in the washing machine?
Can I put NorthPower in the washing machine?
Yes. Use a cold, gentle cycle — it protects the compression knit and helps it last longer.
What is NorthPower made of?
What is NorthPower made of?
90% polyester and 10% spandex.