Simms Thermal Midlayer Bottoms, Simms Underwear Bottoms

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.

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.

Simms Men's Lightweight Baselayer Bottom - Carbon

M's Lightweight Baselayer Bottom

Men's Cold Weather Base Layers

M's Thermal Midlayer Bottom

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.

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.

Simms Women's Fleece Midlayer Half Zip, Raven / XL