evo.com | Burton Shell Pants > When it comes to the backcountry, serious adventurers know that lightweight, breathable, and packable gear is non-negotiable. Enter the Burton AK Kalausi 3L GORE-TEX Bibs. These bibs bring backcountry minimalism and unmatched durability to the table, ensuring they can go the distance season after season. From the regular articulated fit to the innovative kinetic garment construction, these bibs offer unrestricted movement and supreme comfort for the extreme minimalist who craves the lightest, most breathable, and most comfortable kit. Say goodbye to restrictions and hello to your new favorite backcountry companion. Exterior Thigh Vents This product may contain chemicals known to the State of California to cause cancer, or birth defects, or other reproductive harm. Elasticized Cuffs GORE-TEX 3L Burly and tough, this premium waterproof breathable material is for riders seeking the ultimate in comfort and durable waterproof/breathable protection. GORE-TEX C-Knit Stretch 3-Layer Nylon 30D Ripstop Weave Fabric Lower | Women's Burton AK GORE-TEX Kalausi 3L Bibs 2026 - Medium Blue in Mint | Nylon