RAB says about the Firewall Mountain Pants Women's

Engineered with 3-layer Pertex® Shield, these protective and packable waterproof pants are built to deflect the elements on your hiking and mountaineering missions. With full-length side zips, they're quick to pull on over boots and crampons. Lightweight, part elasticated waistband reduces bulk while providing support and structure. Long length gusset at crotch and knee articulation for ease of movement. Full length 2-way YKK® AquaGuard® side zips with internal storm guard and triple pullers. Drawcord adjustable hem to accommodate different footwear

Product specifications