Simms Exstream Core Bottom

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Early morning missions and cold temps are synonymous with fall and winter fishing. Staying warm is the trick to staying out all day, no matter the weather. Simms men's ExStream Core Bottom features a two-layer weave to trap the heat close to your body. The tapered fit lets you layer them under your waders, and ankle cuffs mean easy integration with waders and boots.


    • 2-layer Toray® Karushi® delivers high heat insulation
    • Abrasion-resistant and anti-pill
    • Wicking ankle cuffs integrate with waders
    • Flatlock seams
FABRIC TECH: Body: 2-layer Toray® Karushi