Columbia Women's Size Chart The Columbia Bugaboo Omni-Heat Pants offer an ergonomic fit and high power, high performance pants that'll let you carve through the powder all day long! Omni-Tech shell Two-layer design with plain weave outer and waterproof membrane. Waterproof and fully seam-sealed protection. Breathable design allows passage of moisture-vapor from perspiration. Critically taped seams help keep moisture at bay so you stay dry and comfortable. Omni-Heat insulation Synthetic polyfill retains and disperses the body's warmth. Lightweight, low-loft design reduces unwanted bulk. 60g weight. Adjustable waistband lets you get the perfect fit every time. Zip fly with 2 snap-button closure. Snap close gusset on the lower leg lets you get your boots on and off easily. Reinforced hem and kick plates provides added durability. Zip close hand pockets. Flap close patch pockets in back. Brand hits throughout. 72% nylon, 28% polyester;Upper Lining: 100% polyester;Lower Lining: 100% nylon;Insulation: 100% polyester. Machine wash, tumble dry. Imported. Measurements: Waist Measurement: 31 in Outseam: 41 in Inseam: 26 1?2 in Front Rise: 9 1?2 in Back Rise: 17 in Leg Opening: 22 in Product measurements were taken using size SM, inseam 31.5. Please note that measurements may vary by size.