This Jiu Jitsu themed T-shirt features a distinctive porcupine graphic with "unPINable".  With a spiney armor the porcupine is not easily pinned by its opponent.   You too can declare you skills at avoiding the pin when you wear this shirt.
 
Made from high-quality fabric, the shirt offers a soft texture for maximum comfort during training or casual wear.
 
Material: 52% cotton+48% polyester