That Guy's Secret, in LaSalle, IL, is the premier men's clothing store serving Peru, Ottawa, Mendota, Streator, Utica and surrounding areas since 2017. We specialize in custom fit pants and shirts by Stantt. We provide tuxedo and suit rentals and purchases. Be sure to ask us about our customer's favorite brands, Saxx Underwear, Mission Belts and our newly added Tasc Performance Line. For your next shopping trip, visit That Guy's Secret - clothing for the modern man - in LaSalle, IL.