Simms ExStream Core Bottom


These pro-level layering bottoms deliver high heat insulation making them the perfect addition to your cold-weather kit.

SKU: PG-12293 Categories: , , ,


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. Our men’s ExStream® Core Bottom features a 2-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.


  • Abrasion-resistant & anti-pill
  • Wicking ankle cuffs integrate with waders
  • Flatlock seam construction seam construction
  • Machine wash & dry. See garment label for details.
FABRIC TECH: Body: 2-layer Toray® Karuishi®