Simms Thermal Midlayer Bottoms, Simms Underwear Bottoms
![Simms Thermal Midlayer Bottoms, Simms Underwear Bottoms](https://www.sportfish.co.uk/media/catalog/product/2/1/21b0010.jpg?optimize=medium&fit=bounds&height=700&width=700&canvas=700:700)
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Men's Layering & Underwear
The Simms Thermal Midlayer Pants for Men deliver exceptional warmth that layers easily for those cold days on the water. The grid-fleece interior traps warm air against your skin so you get ample warmth without mobility-restricting bulk. These Simms pants boast a self-fabric waistband with twin snap closure and a zippered fly for easy on and off. A gusseted crotch pairs with a tapered hem to make for easy layering with bibs of waders.
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Simms Men's Thermal Pant - Black / M
Simms Lightweight Baselayer Bottoms are the essential next-to-skin layer for building a rock-solid foundation that prioritizes all-day mobility, warmth, and wicking. The quick-dry, jersey knit material combines with the sustainable odor control for maximum next-to-skin comfort. A flat elastic waistband and fly pouch, designed with minimal seams, offers chafe-free, next to skin comfort. The Simms Lightweight base layer men's bottoms also boast flatlock seam construction for next to skin comfort.
![](https://www.simmsfishing.com/cdn/shop/products/13311-003-lightweight-baselayer-bottom-carbon_f21-002.jpg?v=1640899007&width=3000)
Simms Men's Lightweight Baselayer Bottom - Carbon
![](https://www.simmsfishing.com/cdn/shop/products/13311-003-lightweight-baselayer-bottom-carbon_f21-017_150x.jpg?v=1640899007)
M's Lightweight Baselayer Bottom
Men's Cold Weather Base Layers
![](https://www.simmsfishing.com/cdn/shop/products/13315-001-thermal-pant-black_f21-015_150x.jpg?v=1640899008)
M's Thermal Midlayer Bottom
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M's Superlight Fishing Pant
The Simms Thermal Midlayer Quarter-Zip Pullover for Men delivers exceptional warmth that layers easily for those cold days on the water. The grid-fleece interior traps warm air against your skin so you get ample warmth without mobility-restricting bulk. A smooth exterior makes it easy to layer a rain jacket over the top when the weather adds precipitation to the mix. This fleece pullover boasts a quarter-zip placket for ventilation as well as easy on and off.
![](https://www.finandfire.com/cdn/shop/products/13314-001-thermal-1-4-zip-top-black_f21-021_1680x_2447fa35-6db5-440b-abbf-108ec83c7ef3_5000x.jpg?v=1659458161)
Simms Men's Thermal 1/4 Zip Top - Black / L
Getting on the water takes a little more thought and preparation come fall and winter. Our women's Fleece Midlayer 1/2 Zip can stand alone with a base layer on a cool day or layer under waders and a shell to add warmth in cold weather. It's cut for a flattering fit and has a grid-fleece interior that traps heat next to your body without adding bulk or limiting your range of motion.
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Simms Women's Fleece Midlayer Half Zip, Raven / XL