Simms highest-tech, hardest charging wader ever 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. 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 when nature calls, 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. Simms Lifetime Warranty. Made in Montana. See size chart.