The Arc'teryx Theta SV Bib has been designed to survive challenging alpine ascents & descents. Made with water-beading GORE-TEX Pro Shell fabric, the Theta SV is high-waisted with a stretch woven back panel & length thigh zippers. They also have generous reinforcement & Keprotec instep patches. Features 480N GORE-TEX Pro Shell 3L Athletic fit Waterproof Breathable Micro seam allowance (1.6mm) Tiny GORE seam tape (13mm) Articulated seat & knees Gusseted crotch 2 bib pockets w/laminated zippers Water Tight external zippers Moulded zipper garages Water Tight leg zippers Large pant cuff diameter Adjustable waist Low-cut bib w/front fly Stretch rear bib Quick adjust suspenders Powder cuffs w/gripper elastic & lace hook WEIGHT 702g. Glossary GORE-TEX Pro Shell 3L: Pro shell is the first choice for professionals whose livelihood depends on enduring the worst conditions. Pro Shell will maintain water & windproofness while providing crucial breathability under the most extreme & demanding conditions. Schoeller Keprotec:A high tech fabric that's extremely abrasion & cut resistant. It is also resistant to impregnated water, oil & dirt. 75% Nylon/25% Kevlar. Tiny GORE seam tape: Minimizes seam tape in critical zones, reducing the product's overall weight & bulk while increasing the breathable surface area. Water Tight: The world's first Water Tight zippers to pass the W.L. GORE extreme wet weather test.