Gorilla Wear Performance T-Shirt Black Gorilla Wear is known for the excellent quality and durability of the clothing they produce. These Performance t-shirts have recently been added to the Gorilla Wear range. Because these t-shirts are made of 100% polyester, your body can breathe well and the shirts absorb little sweat. This Gorilla Wear Performance T-Shirt Black is also available in red and green. Gorilla Wear Performance T-Shirt Black product composition: These Gorilla Wear Performance T-Shirts are made of 100% polyester