RRD “Holystic Technology 3” with three components, super-matt polyamide/Lycraﾮ shell with «Oxford» weave (115g/m2 – 80% polyamide and 20% elastane), polyurethane membrane. 5,000 mm water column. Internally, channels made by hot gluing and without stitching contain the padding in 90/10 duck down.