classic bib style with a 2-layer gore-texâ„¢ membrane . stay dry in any weather conditions with the burton gore-tex reverse bib pants. these pants offer a 2-layer gore-texâ„¢ membrane and fully taped seams featuring gore-seamâ„¢ tape, ensuring efficient performance. the innovative living lining® adapts to your body temperature, while waterproof ykk® zips and adjustable straps round off the reserve bib pants for men.living lining®cold mornings to sunny afternoons, fast turns to slow chairlifts—a day on the hill is filled with extremes. burton’s living lining® offers automatic climate control without added bulk or weight, so the one thing you can count on is consistent comfort.keep cool: when you’re warm, breathable pores on the living lining expand to release excess warmth and prevent overheating.stay warm: when you’re cold, breathable pores on the living lining shrink to trap body heat and keep you warmer for longer.