Personalized Swim Coach Small Heart Youth T-Shirt. Swim Coach with a heart dotting the i in the word swim is a fun design for coaches at back to school, birthdays, holidays and summer beach and pool season. 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.