a stretch bib that packs a punch. the burton avalon bib pants for women, with a high stretch content, guarantee unrestricted freedom of movement and keep the snow at bay. the chest pocket holds your belongings, while the fleece-lined handwarmer pockets have room for keys, phone and cards. the drop seat construction makes for easy toilet breaks, as the system works without you having to take off your jacket. mesh thigh vents provide a cool breeze to keep you from overheating.living lining®cold mornings and sunny afternoons, fast turns and slow lift rides - a day in the mountains is full of extremes. burton's living lining® provides automatic climate control without adding bulk or extra weight, so you can rely on consistent comfort.stay cool: when you're warm, the breathable pores in the living lining® expand to dissipate excess heat and protect you from overheating.keep warm: when you're cold, the breathable pores in the living lining® contract to trap your body heat and keep you warm longer.