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  1. Insulation & Layering
  2. Simms Men's Heavyweight Baselayer Bottom

Simms Men's Heavyweight Baselayer Bottom

$89.95

When days get shorter, stay in the game longer with our Heavyweight Baselayer Bottoms powered by stretch micro-grid fleece for optimum mobility, warmth and moisture wicking comfort.


  • Smooth jacquard face with grid-fleece backside adds stretch and micro pockets to trap heat and wick away moisture
  • Flat elastic waistband and fly pouch designed with minimal seams for a chafe-free, next to skin comfort
  • Stretch panels strategically designed from lower calf to ankle cuffs allow for easy integration when worn with socks and paired with waders or bibs and boots.

FABRIC TECH: Body - 190 gsm 96% polyester, 4% elastane micro grid fleece finished with antimicrobial + moisture management; Lower Legs - 88% polyester, 12% elastic
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