Our highest-tech, hardest-charging wader, the USA-made G4Z Stockingfoot wader brings best-in-class waterproof breathability, rugged durability and unmatched comfort to the remote coordinates and unforgiving conditions you call home. Made in Bozeman, MT USA For help sizing yourself for waders please see How Choose the Perfect Simms Wader *Best wader warranty in fishing: 60-Day replacement for leaks, no questions asked. 365 Days repairs on us. See the tab above for details. FABRIC TECH: Upper: 3-layer GORE-TEX® Pro Lower: 4-layer GORE-TEX® Pro Stockingfoot: Gravel Guard: 100% Neoprene WEIGHT: 50.8 oz. (1439 g) in size Medium ITEM #: PG-13960