

Willpower USA
WILLPOWER Shield Tee Shirt
WILLPOWER Shield Tee. Purpose Built. Made in the USA. Leave No Room for Doubt.
This isn’t just a shirt — it’s a standard. Made from premium Airlume cotton, the WILLPOWER® Shield Tee delivers all-day comfort without sacrificing durability. Pre-shrunk, it’s tailored for those who train with intention and live without compromise.
- 100% Airlume combed and ringspun cotton
- Lightweight 4.2 oz fabric for breathability
- Side-seamed with shoulder-to-shoulder taping for strength
- Made in the USA — printed on demand to reduce waste
WILLPOWER is the discipline to sacrifice comfort for purpose. When you make WILLPOWER your way of life, you leave no room for doubt.
Wear with purpose.
This product is made especially for you as soon as you place an order, which is why it takes us a bit longer to deliver it to you. Making products on demand instead of in bulk helps reduce overproduction, so thank you for making thoughtful purchasing decisions!
Size guide
LENGTH (inches) | WIDTH (inches) | CHEST (inches) | |
S | 28 | 18 | 34-37 |
M | 29 | 20 | 38-41 |
L | 30 | 22 | 42-45 |
XL | 31 | 24 | 46-49 |
2XL | 32 | 26 | 50-53 |
3XL | 33 | 28 | 54-57 |