This shirt comes with several options for the back

100% Polyester Closed Hole Mesh Unisex t-shirt

DESCRIPTION: This is a 50-50 cotton poly blend unisex t-shirt

DESCRIPTION: This is a 100% poly performance with a cotton feel unisex t-shirt

100% polyester double-knit mesh Polo shirt

Unisex Performance Short Sleeve PT Shirt (Feels like Cotton). This shirt IS approved for PT. Crew Neck Sweatshirt This shirt comes with several** THIS SHIRT IS AUTHORIZED TO BE WORN FOR PT ** DESCRIPTION: This is a 5 oz., 100% filament polyester t shirt with cotton feel. Wicking properties and antimicrobial properties. CARE INSTRUCTIONS: For longer garment life, turn inside out and wash cold, tumble dry low or hang dry. Do not use high temperatures. Do not use bleach or pods with fabric softener in them. If the garment is going to be ironed, use low temp, and cover printed area with craft