Shop the King's High School Apparel Store for a wide selection of men’s warm ups at Prep Sportswear. With warm ups tops and bottom available, there are hundreds of different ways for you to customize King's High School warm ups for men. Whether you are a student, parent, alumni or faculty member, your customized Knights clothing shows your pride and support for King's High School. Looking for something to wear under your warm ups? Check out our collection of customizable King's High School Men’s T-shirts , Sweatshirts and Hats .