Lycra
Product
Incorporated into the interlock knit fabric to provide stretch, recovery, and to maintain deep black color without the glimmer of standard spandex
"Because I designed this from the ground up to be a black t-shirt, we actually use black Lycra in the knit. The result of that is a fabric that when you stretch it, it doesn't have the typical glimmer that a spandex fabric would have. It stays nice, deep, an..."