Built in Bozeman, Montana, from upcycled Simms 3-layer and 5-layer G3 wader materials, the Second Wind wader offers tried-and-true Simms guide-level wader DNA in a simplified and minimalist form. FABRIC TECH: Upper: 3-layer waterproof, breathable shell; Lower: 5-Layer waterproof, breathable shell. ITEM #: PG-14496