Our highest-tech, hardest charging wader - the USA-made G4Z Stockingfoot brings best-in-class waterproof breathability, rugged durability and unmatched comfort to the remote coordinates and unforgiving conditions you call home. Product Specifications: Simms&'; most durable 4-layer GORE-TEX Pro lower and 3-layer GORE-TEX Pro upper Patented compression-molded stockingfeet for enhanced comfort and improved boot fit/lace bite Extended YKK waterproof zipper for quick relief and easy on/off Dual zippered stretch woven chest pockets for quick access to fishing necessities Zippered, high-pile fleece lined handwarmer pockets for storage and warmth Dual interior waterproof zippered pockets for totally submersible protection Low profile, adjustable spacer mesh suspender package Patented front & back leg seams for enhanced mobility and increased durability Patented 2mm abrasion-resistant built-in gravel guards Product Features: Fabric: Upper: 3-layer GORE-TEX Pro Lower: 4-layer GORE-TEX Pro Stockingfoot & Gravel Guard: 100% Neoprene Technology: GORE-TEX Pro