Hugo Boss Jeans. The Delaware jeans from BOSS are cut to a slim fit with a stretch denim finish, Regular rise, Button and zip closure, 5 pocket design, Belt loops, Boss branding, 98% cotton, 2% Elastane. Machine washable cold and mild. Hugo Boss stands for innovation, creativity and progress. Hugo Boss is a German based menswear apparel brand operating in the premium segment through its two brands, BOSS and HUGO.