Unlike any midlayer bottoms you've ever worn, the Nano-Air® Light Bottoms blend the benefits of insulated tights and pants. They deliver warm, stretchy and breathable performance for moving fast in cold climates. Inseam is 28".

• Breathable, Stretchy Fabric

  Light yet durable 100% recycled polyester ripstop shell and lining fabric offers generous mechanical stretch and exceptional breathability, with a durable water repellent (DWR) finish made without intentionally added PFAS to shed moisture; warm and stretchy R1® Thermal side panels allow for crucial mobility

• Revolutionary Insulation

  Revolutionary 40-g FullRange® insulation is warm and stretchy, and combined with the shell and lining, creates pants with excellent stretch and unprecedented air permeability

• Stretch Panels for Added Mobility

  Slim-fitting with stretch fleece on the side panels and calves to maximize mobility and warmth while reducing bulk

• Harness Compatible

  High-rise, stretch-knit waistband provides moisture management and comfort under a harness or a backpack

• Pocket Features

  One right-thigh pocket with a low-profile invisible zipper stores small items securely while on the move

• Cuff Features

  Cuffs feature quick-drying 74% postconsumer recycled nylon/26% spandex knit for enhanced stretch and movement, and push up easily to stretch over or tuck into alpine boots