The Mertz t-shirt is the official shirt of Mertzie Klein, one of the featured trainers within the I’m Possible Skill Lab World Headquarters. Mertzie is arguably one of the best female basketball trainers in the world and an ambassador for I’m Possible Training.

This soft cotton fabric is lightweight, yet durable. Fabric: 90% Cotton/10% Poly
Sizes(unisex): S to XL
Colors: White and Grey