蕉下 BENEUNDER Women's 3-in-1 Interchange Jacket Beneunder's 3-in-1 Lightweight Down Jacket features the Jech LTShell hardshell and upgraded Jech Clo+2.0 down inner liner. LTShell's three-layer composite technology, as thin as 0.35cm, provides robust protection against wind, rain, and abrasion, while staying lightweight, soft, and quiet. Clo+2.0 inner liner enhances insulation in damp and cold conditions, weighing 294g with a 0.77cm thickness for visible lightness and flexibility during fall and winter layering. Extended length boosts warmth and protection, ensuring comfort in harsh winter conditions.