The stretch 3-layer Aeron Bib Pants offer targeted lightweight breathability and protection for ski touring and splitboarding. Eco-designed with recycled Circular polyester face fabric, they also feature a 20K/20K membrane for unmatched waterproof breathability, reinforced with a PFC-free durable water repellent treatment and waterproof zips. While providing maximum protection against the snow and wind, these pants include vents for easy temperature control up any skin track or when breaking trail. For extra comfort, the elastic adjustable suspenders and the stretchy lycra provide more than enough freedom of movement. The strategically placed pockets are practical. Ready for all your big mountain adventures, these straight-fit bibs are built for long days riding untracked powder.