Simms’ G4Z Bootfoots bring superior warmth and adept performance to unforgiving forecasts. Pinnacle 3-layer GORE-TEX® PRO SHELL in the upper and 5-layer in the legs, synched with patented front and back leg seam construction, enhanced breathability while maximizing both comfort and mobility. Powered by the most feature-rich mix on the market, G4Zs also include a YKK® waterproof center-front zipper for easy access/optimal ventilation, plush handwarmer pockets. The boot story begins with an ultra-gripy, fully-integrated proprietary design. Rugged triple-layer vulcanized rubber maximizes durability and wading performance in extreme conditions. Insulated 7mm neoprene lining (rated to -40 degrees F.) with grid-fleece moisture management keeps hardworking feet dry, happy, and comfortable. The design includes a Vibram® Idrogrip outsole that accepts cleats and studs and dual density eva midsole for shock absorption. Additional stability provided by removable Right Angle® Footbeds that optimize underfoot ride.
GORE-TEX® PRO SHELL outerwear is waterproof, exceptionally lightweight and offers the ultimate in breathability, durability and extended comfort. Constructed with a woven backer, GORE-TEX® Pro Shell garments slide easily over other layers and offer exceptional tear strength and internal abrasion-resistance.
YKK's AQUASEAL® is a light weight waterproof zipper. Combining Vislon® techonology with a seal in between the zipper elements, AQUASEAL® allows easy and smooth operation with 100% protection against the elements.
Vibram® soles are built from the bottom up and are designed to overcome very specific obstacles on a variety of terrains. Vibram® invests heavily in research and development of products never overlooking even the most minute detail. Vibram® soles boast innovative compounds and technical sole patterns, specifically developed to meet the challenges of many different environments and applications.