OutSmart Insect Shield Wading Trousers have an odourless and safe bug repellent bonded to the fabric to fend off mosquitoes, ticks, ants, flies, chiggers, and midges. The UPF 30 two-way stretch fabric blocks 97% of the sun\\\'s harmful rays. Designed for wet wading, the quick-drying and moisture-wicking bluesign material is made following an environmentally friendly process. Trousers feature an elastic-back waist and articulated knees for complete range of motion, adjustable cinch-leg hems to seal out crawling bugs, and zip-close pockets on the front and back. US sizes 4-20; 32\\\" inseam.