Tech Shirt! This fine garment is made from 90% polyester and 10% spandex. Thermal protection, Stretch for easier movement when swinging. The garment is breathable with moisture management. Wilson Staff logo and name are on back of the neck. Embroidery Positions Available : Left Sleeve, Right Sleeve, Left Chest or Right Chest. Sizes : Small, Medium, Large, X-Large and XX-Large. Embroidered : 7,000 Stitches.