Shop the Undermountain Apparel Store for a wide selection of men’s outerwear at Prep Sportswear. With water resistant, fleece and soft shell styles available, there are hundreds of different ways for you to customize some Undermountain outerwear for men. Whether you are a student, parent, alumni or faculty member, your customized Elementary clothing shows your pride and support for Undermountain. Looking for something to wear while inside? Check out our collection of customizable Undermountain Men’s T-shirts , Sweatshirts and Hats .