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Shop the Beta Upsilon Chi Apparel Store for a wide selection of men’s sleepwear at Prep Sportswear. Whether you need a pair of warm fleece sleeping pants or a robe for when you pop out of the shower, there are hundreds of different ways for you to customize an Beta Upsilon Chi sleepwear for men. Whether you are a pledge, member, house president or alumni, your customized BYX clothing shows your pride and support for Beta Upsilon Chi. Check out our collection of customizable Beta Upsilon Chi Men’s T-shirts , Sweatshirts and Hats .