Simms Extream Core Bottom sole This is another example where

This is another example where athletes working with Sitka's design team has lead to the development of a great piece of gear

3% of sales goes to conservation partners

Easy ID welded loop on the rear

Three sizes are available: the Midge is designed for flies on hook sizes 20 and smaller

Simms Extream Core Bottom sole This is another example whereSimms Extream Core BottomCLOSEOUT! Add this technical pro level bottom to your cold weather kit! The Extream Core Bottom can be worn as a baselayer under waders or on its own. Either way, it delivers high heat insulation with 2 layer Toray Karushi to provide extra warmth. Ankle cuffs are made to integrate with waders. FEATURES: 2 layer Toray Karushi delivers high heat insulation wicking ankle cuffs integrate with waders Abrasion resistant and anti