Personalized Gyminator Youth T-Shirt. I am the gyminator text with sneakers is a humorous twist on the word terminator. Fun gifts for back to school, birthdays, holidays and graduation for physical education teachers, trainers and exercise gurus. Let the good times roll in a durable T-Shirt that takes kids from school to play in an amazing array of colors. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar.