Flylow's Sphynx Bibs are the cozy embrace cold-blooded shredders have come to love with a cult-like following. These 15K/10K waterproof-breathable beauties come with a toasty layer of Greenloft insulation, keeping you warm and dry while you conquer the mountain. Packed with all the features you need, they're a high-performance enhancement of warmth for your legs Face Fabric Finish 75D 2-Layer Hardshell Fabric – 100% Polyester PFAS-Free DWR Waterproof & Breathable Membrane 15K / 10K Waterproof-Breathable Membrane Insulation 40g Greenloft Recycled Insulation Pockets Zippered Reach-Through Kangaroo Pocket on Bib Zippered Thigh Pockets Jean-Style Back Pockets Vents Exterior Thigh Vents Features Fully Seam Taped YKK® Zippers – A name that is synonymous with quality and durability, which makes them perfect for your Obermeyer garment, easy to use with a gloved hand or in wind-driven icy conditions. Obermeyer has been a partner with YKK® for over 50 years. Zippered Gussets at Leg Opening 500D Cuff Reinforcements