Made of a water repellant down proofed fabric sourced from Italian mill Olmetex - technical experts in performance textiles. This fabric is water repellant and easy to care for. The fill power of this jacket is 700 - considered an extremely high fill power, which contributes to the loft and insulating efficiency. The jacket features a two-way Talon zipper on the front with a genuine leather puller, a cord lock at both side seams to tighten jacket along waist, an elastic band around each cuff to keep jacket secure and warmth inside, two pockets fastened with custom Knickerbocker snaps and leather washers on the back face along with a satin lining that features two interior pockets. The outside of the jacket features a Knickerbocker label hand stitched to the outside of the wearer's left sleeve.