LUXURY SUPER 170’s ULTRA LIGHTWEIGHT MERINO WOOL WITH AQUARRÊT FINISHAn all-new collection of Super 170’s luxury fabrics and the definitive replacement for HS 1738 Dragonfly Ultra-Lightweight. This collection is fully Responsible Wool Standard (RWS) certified sharing all the same qualities as its predecessor. Products certified to the Responsible Wool Standard contain wool fibre from farms (independently) certified to animal welfare and land management requirements.AquArrêt® is a special finish that forms a high-performance, stain-resistant barrier around the fabric fibres without compromising the luxurious feel and performance. Spilt liquids like wine, water and juice simply roll off the fabric’s surface. Any of these classic fabrics can be tailored into exquisite garments that are the very definition of luxury and comfort. With exceptional handle, drape and tailoring qualities our Gostwyck fabrics offer the ultimate in luxury worsted suitings.