ultimate performance and comfort. the altostratus stretch gore-tex bib pants are designed to offer maximum performance and comfort on the slopes. made from 100% recycled polyester, these pants feature advanced gore-tex® technology that ensures they are highly breathable and guaranteed to keep you dry. the warmflight® x1 technology provides lightweight and breathable warmth, making these bib pants perfect for any snow adventure.freedom of movementthese pants are crafted with a regular fit, allowing unrestricted movement and maximum comfort. the stretch fabric ensures a comfortable fit that adapts to your movements, providing freedom and flexibility during your snow activities. whether you're carving down the slopes or navigating through deep powder, the altostratus bib pants will keep you comfortable and dry.