Get your rear in gear with the Soybu Women's Killer Caboose Pants. Stretchy Soybu Power FLEX material is constructed of 87/13 nylon/spandex that is lightweight and breathable while moving comfortably with your body. The moisture-wicking and quick-drying treatment keeps you comfortable, giving you an excuse to hit the trails. Wrinkle-resistant. Imported. Sizes: S-2XL. Color: Black.