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Shop the Sigma Nu Apparel Store for a wide selection of Women’s warm ups at Prep Sportswear. With warm ups tops and bottom available, there are hundreds of different ways for you to customize Sigma Nu warm ups for Women. Whether you are a pledge, member,house president or alumni, your customized Knights clothing shows your pride and support for Sigma Nu. Looking for something to wear under your warm ups? Check out our collection of customizable Sigma Nu Women’s T-shirts , Sweatshirts and Hats .