Greenwich Mariners Official Club Shop Product. Comes with Printed initials or number on the front. FIRST LAYER. FAST LAYER. Please note that this is designed as a product to be worn underneath a shirt. Product Details: Dri-FIT technology helps you stay dry, comfortable and focused. Stretchy fabric with a smooth face provides a low-friction underlayer. Invisible Thumb Loops stay hidden when not in use. Raglan sleeves eliminate the shoulder seam to help you move freely. Swoosh design trademark is heat transferred on the center of the chest. Fabric: 100% polyester. PLEASE NOTE THAT WE ARE UNABLE TO ACCEPT RETURNS FOR THIS PRODUCTS