M's Thermal Midlayer Bottom

Simms Fleece Midlayer Tops & Bottoms

Some days, you've just got to wear thermal pants. These poly/elastane bottoms have dual-zone insulation that's designed to keep you warm in all the right places, all while wicking away moisture to keep you dry during long work days.

Timberland Pro Men's Skim Coat Thermal Bottom

M's Guide Insulated Fishing Jacket

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 - XXL

Simms Thermal Midlayer Bottom - Madison River Outfitters

Men's Seamless Thermal Underwear With Merino Wool (bottom), 49% OFF

Shop Cold Weather Fishing Base Layers

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 - XL - Dark Stone

M-Tac Thermal Underwear Set for Men Base Layer Fleece Lined Top & Bottom Ultra-Soft

Midlayer Fishing Tops & Pants

Patagonia M's R2 Techface Pant

Men's Fishing Pants & Shorts - Wading Bottoms

Midlayer Fishing Tops & Pants

Attends Incontinence Underwear, Heavy Absorbency, Large, 18 Count, heavy incontinence underwear