Simms Extream Core Bottom sole Easy ID welded loop on

Easy ID welded loop on the rear

Paraffin wax can also be used on the ferrules if needed to ensure a proper fit

and applied it to the micro end of the spectrum

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

Simms Extream Core Bottom sole Easy ID welded loop onSimms 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