For the determined mountain pro on a serious mission, the Black Diamond Mission Pro Pants offer unbeatable waterproofing and breathability. The 150 denier nylon face fabric is super durable, while the GORE TEXR membrane locks out moisture. However, this membrane is still very breathable, and releases the moisture generated by your body as you feel the burn. The fit is relaxed and comfortable, allowing you to layer strategically without compromising mobility. Better yet, the abrasion resistant KeprotecR instep patches prevent your ski edges or crampons from gnar ing up the inside of your pant legs.