Simms Ultra-Wool Core Bottom

For submersed parts seeking total wool-powered warmth, these are your ultimate under-wader layering bottoms.Waist deep in the river or on your boat, staying warm is about having the right layers. Our men's Ultra-Wool Core Bottom is the foundation to a good layering system. The odor-resistant wool blend is soft against the skin and breathes naturally to keep you dry and warm in a wide range of temperatures and conditions.