Lightweight Minimalism for Backcountry Missions. The AK Tuvak C-Knit Gore-Tex 3L Snowboard Pants are light on weight and BIG of function. Burton's lightest three-layer shell pants, the men's Burton [ak] Tuvak Gore-Tex C-Knit 3L Pants are made for backcountry missions, boot packs and high-intensity activities. Their minimalist design packs proven weather protection and high breathability to keep you dry through stormy conditions and extended uphill efforts. Plenty of stretch and a knit backer on the inside give them a soft feel and let you move without restriction. Pack light. Go far.   FEATURES: Gore-Tex C-Knit Stretch 3-Layer Nylon 30D Plain Weave Fabric Regular articulated fit is just right: Not too tight or too baggy, with shaping at the knees for easy movement Gore C-Knit three-layer fabric is durably waterproof and softer, lighter, and more breathable than traditional three-layer Gore-Tex, offering a natural, easy-wearing feel of a lightweight softshell that still sheds wet weather Developed for best in class performance on the ascent this piece offers enhanced breathability for intense aerobic activities Zip vents increase airflow while a Gore-Tex membrane provides reliable waterproofing The kinetic garment construction "wraps the body" and changes the grain of the fabric in a way that amplifies its inherent bias stretch, resulting in a fabric that moves as the body moves without restriction Triple needle reinforced stitching; YKK water-resistant zippers; RECCO reflector; Snap waistband closure Crossflow Venting; Exterior thigh vents; Mesh-lined no-snag continuous inner thigh vent Elasticized adjustable cuffs; Reinforced kick panels Zippered thigh pockets and beacon-friendly power mesh pocket with loop inside right and left thigh pockets Made with bluesign materials: produced with resource-efficient manufacturing processes and using only chemicals that are safe for people and the planet