The Phenix Opal Ski Pant 2020 is a four way stretch insulated womens pant, with a very flattering slim fit that suits most body types. This popular pant has an adjustable waist for perfect fit, with 80 grams of insulation (Thunderon Digenite Thermo Phenix Nestlation insulation), and is 20,000 waterproof and breathable. Four way stretch make these pants super comfortable so you can focus on your skiing.