Face the harshest conditions with confidence. The high-pile Caldus fleece delivers outstanding warmth while remaining exceptionally breathable—even when layered beneath a shell. Its insulating loft traps warm air close to the body, while built-in stretch ensures unrestricted movement. Low-profile seams and cuffs sit comfortably over a baselayer, offering durability and comfort during demanding winter adventures. Key Features: Low-Profile Cuffs – with stretch for a secure, comfortable fit. YKK Full-Length Zip – versatile for venting and temperature control. THERMO HL Fleece – high-loft, high-heat fabric engineered for breathability and stretch. Materials: 100% Polyester (30% Recycled). Women’s Caldus Jacket: Made from high-loft fleece, the Women’s Caldus Jacket excels at trapping warmth while effectively managing moisture, keeping you dry and comfortable in the coldest environments. Its engineered breathability and natural stretch ensure freedom of movement during intense activity. Fit – Regular: Designed for layering versatility, Montane’s Regular Fit allows the Caldus to be worn comfortably over a baselayer and under a shell. This system approach provides adaptability for extreme cold, where each layer works together to regulate warmth and moisture. Look for other Regular Fit garments to build an efficient, cold-weather layering system. THERMO HL 100% polyester (70% recycled) high loft is engineered for exceptional warmth and moisture management, with mechanical stretch for unrestrictive movement. Designed on our new regular block to provide an effective layering piece, this jacket is designed to fit over the top of a base layer while allowing for additional outer-layers when needed. High collar adds addition thermal protection. Low profile stretch cuffs for a comfortable fit. Low profile stretch hem for a comfortable fit.