The Sao Bib takes a classic bib silhouette to the next level with our lightweight 3-Layer stretch NOVA-X fabric solution and all the technical features you expect from the L1 Theorem line. In addition, the Sao's elegant fit and stretch have been newly updated with new shoulder straps and clips and a splitboard-friendly construction, providing more durability in critical areas around the pant cuff when hiking up and venting for cooling down.