Columbia Passo Pants Ladies. Columbia Passo Pants Ladies sConquer the great outdoors with the Passo Pants from Columbia. Crafted with an elasticated waistband and classic zip fly, these stretch-fit trousers are complete with omni-shade and omni-wick technology to help keep you cool, comfortable, and protected from damaging UV rays.> Walking trousers> Elasticated waistband> Internal drawstring> Zip fly> Press stud fastening> Zip lock pockets> Columbia branding> Omni-shade UPF 50 sun protection> Omni-wick advanced evaporation> Stretch-fit> Shell: 90% nylon, 10% elastane> Machine washable