Burton Reserve Bib Snow Pants Behind the Product Winter Snow Bib Pants. Regular fit, 2-Layer, 20k waterproof shell bibs. Full bib coverage with stretch panels where it matters most, the men&';s Burton Reserve 2L Bib Pants are the shell pants you can build your winter layering system around. Built-in stretch keeps you bending and twisting without restriction. Fully-taped seams and two-layer 20k/20k storm protection make for a warm, dry world when paired with the base layer of your choice. A full package of rider-designed features gives you all the venting, adjustability, and functional pocketing you need to dial in your comfort on the mountain. Product Features Just Right Fit A not-too-tight or too-baggy fit that makes it feel just right. Waterproof, Breathable, Recycled Recycled polyester shell fabric with 20K/20K membrane keeps you dry and comfortable in all weather conditions. Rider Dialed Features Everything about these bibs is tuned for riding, including taped seams, stretch material, zip thigh vents, and a great selection of pockets. Low Environmental Impact BluesignA(R) approved product uses responsibly produced and recycled materials and PFC-free DWR for a reduced impact on humans and the planet during manufacturing.