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Protons have mass? I didn't know they were Catholic T-shirt
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- 100% cotton
- Sport Grey is 90% cotton, 10% polyester
- Midweight fabric (5 oz)
- Regular fit
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- Quality is guaranteed. If there is a print error or visible quality issue, we'll replace or refund it.
- Because the products are made to order, we do not accept general returns or sizing-related returns.