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It's a grey, soft, recycled cotton / poly T shirt with Ultradynamico's logomark on the front.
If you're the type of person that likes their t-shirt to match their tires, you're in luck- these pantones align with our hotpatch colors.
Shirts made in India, silk screened by the Shirt Shark in Clinton, CT down the street from the barn where their rubber is stored.
Regular ol' T-shirt sizing that will shrink a little when dried on high.