Columbia Rapid Rivers Cargo Pants $21 at Brad's Deals Columbia Men's Rapid Rivers II Cargo Pants Green Very Men's Columbia Rapid Rivers Pull On Cargo Pants Columbia Clothing Columbia Men's Designerwear. A lightweight, active style with a slim profile. The Rapid Rivers cargo pants from Columbia are outdoor pants stripped back to the bare necessities. Featuring an elasticated drawcord adjustable waist, two hand pockets, single back pocket and two utility pockets. Finished with a woven flag label above the rear pocket and adjustable leg hem cinches. 97% cotton 3% elastane Drawcord adjustable waist 5 pockets including hook and loop cargo pockets Drawcord adjustable hems Regular fit, choose your usual size