HT OVERPANTS 2.0 Heat-resistant material from knee to ankle and removable, zip-out, insulated liner are just some of the features that make these pants a comfortable choice 100% waterproof 330 Denier Hypertex™ Removable Temperfoam™ knee and hip armor These comfy pants feature: extra double layer panel on rear; Sheltex™ membrane for breathability; full-length, 2-way, leg zippers for easy on and off; spandex waist and adjustable belt; ZIPS™ jacket attachment system (10"). Comes with limited 1-year manufacturer's warranty.