Simms, it has the reputation it does for a reason. 

Simms Waders and Boots have been the industry standard for years and through constant innovation show no signs of slowing down. Based in Bozeman Montana, at the heart of big sky country, surrounded by big brawling free-stone rivers and trout-filled lakes; the people at Simms live and breath everything there is to do with fly-fishing. Get out there and push their gear on the water, it won't let you down.