The Women's Sphinx Mid Insulated Waterproof features:

• The proprietary waterproofing system, B-DRY, lets sweat escape while keeping moisture out
• Insoles made with Bloom Algae technology use sustainable algae biomass without compromising durability or comfort
• footbeds molded to match the specific shape and construction of each boot, this purpose-designed technology delivers the kind of fit, feel and performance thats unmatched in the industry
• 100% RPET REPREVE laces and webbing and quick drying recycled natural material lining help us lighten our impact on the planet
• 200 gram PrimaLoft BIO insulation. PrimaLoft has set sustainability forward with the first-ever biodegradable*, 100% recycled synthetic fiber, for insulation and fabric applications
• Innovative Technology specifically engineered and designed to perform on wet ice