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Simms Exstream Core Bottom

Availability: In Stock


These pro-level layering bottoms deliver high heat insulation making them the perfect addition to your cold-weather kit.
  • Product Description
  • Features
  • Reviews
  • Size Chart

Product Description

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


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Size Chart

Men's SizesWaist*Inseam**
S29" - 31"30"
M32" - 34"31"
L35" - 37"32"
XL38" - 41"33"
2XL42" - 44"33"
3XL***45" - 47"33"
4XL***48" - 50"33"

* This is a body measurement

** This is a garment measurement - inseam measured from crotch to ankle

*** Available in select styles

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