Mens Ziwa Convertible Pant 40 - Light Khaki. The convertible BugsAway® Ziwa is a true sporting pant, with a quick-drying, UPF 30 fabric. A partial elastic waist moves with you, and when your legs cry out for a breeze, change to a 10 short by zipping off the legs; roll them up and stuff them away in the two side cargo pockets. BugsAway® apparel is treated with Insect Shield®, giving you invisible, odorless protection just by putting on your clothes. The treatment is bound to fabric fibers, so it stays in your clothes—not on your skin—and lasts through 70 washes.