This zip-in bib, made of the familiar Flex1 stretch fabric used in many Norrøna products, helps keep your pants in place, protects your midsection from occasional cold drafts, and also offers convenient pockets. - Stretchy, wind-resistant 163g/m² fabric is Bluesign-certified - Quick adjustments on the straps - Pockets on the front and side If you combine this product with older Norrøna items, there may be a +/- 2 cm difference in fit, but this is a minor variation in relation to zipper length. Zipper lengths by size: - S: 88 cm - M: 94 cm - L: 100 cm - XL: 106 cm - XXL: 112 cm Compatible models: Lofoten Gore-Tex Pro Plus Pants, Lofoten Gore-Tex Pro Pants, Lofoten Gore-Tex Pants, Lofoten Gore-Tex Insulated Pants, Tamok Gore-Tex Thermo40 Pants, Lyngen Gore-Tex Pro Pants, Trollveggen Gore-Tex Pro Rescue Pants, Tamok Gore-Tex Pants.