Nike Phenom Baseball Pants - Men's Become a rising star in the Nike Phenom Baseball Pant. This 100% polyester baseball pant utilizes double knit construction and offers reinforced knees for durability. A brass zipper, two metal snap closures and a performance seven belt loop system create a secure and comfortable fit. Two back pockets and an unhemmed 37'' inseam with open leg add versatility and style. The Swoosh at the upper right back hip let you know you are taking the field with one of the top brands in the game. Your performance will stand out among the crowd in the Nike Phenom Baseball Pant. Imported.