TOPO DESIGNS Desert Pants in Green. - size S (also in M, L, XL/1X) TOPO DESIGNS Desert Pants in Green. - size S (also in M, L, XL/1X) 98% organic cotton 2% spandex. Machine wash. Drawstring closure. 4-pocket styling. Lightweight twill fabric. Opening measures approx 18. TOPR-MP11. 211503384. Topo Designs is based around the idea of simplicity and a sense of connectedness. The brand wants to ensure an undisturbed outdoor experience by creating things that work well, but aren?t complicated or overshadowed by the latest technology. They locally produce high quality gear and clothing so people can feel a bigger sense of community every time they use one of their products.