Columbia Tech Nylon Pant in Black. Experience all-day comfort and versatile performance with the Columbia Tech Nylon Pant your go-to choice for casual wear, outdoor activities, and everyday adventures. Designed with stretch fabric and a drawcord adjustable waist, these trousers ensure a secure, flexible fit for unrestricted movement. Black Size - S. These pants have a flexible adjustable drawstring waist and adapt perfectly thanks to the stretch content. Features a cuffed hem, rear zip pockets and two side pockets.