Simms Men's Thermal Midlayer Bottom
Our warmest midlayer for cold days, the M's Thermal Pants feature a grid-fleece interior that traps heat next to skin, without adding bulk or limiting range of motion.
- Smooth faced grid-fleece layers perfectly with our baselayers to provide maximum warmth
- Self fabric waistband with dual snap closure and zippered fly allow for easy on and off transitions
- Dual slash handwarmer pockets
- Patterned with a gusseted crotch for maximum comfort and easy layering with bibs or waders.
- Tapered hem for a streamline fit when wearing layers underneath and over top
FABRIC TECH:
Body - 7.52 oz./yd.2Ā (255gsm) 93% polyester, 7% elastane finished with antimicrobial + moisture management
Product Information
Product Information
Shipping & Returns
Shipping & Returns


Simms Men's Thermal Midlayer Bottom
Simms Men's Thermal Midlayer Bottom
Our warmest midlayer for cold days, the M's Thermal Pants feature a grid-fleece interior that traps heat next to skin, without adding bulk or limiting range of motion.
- Smooth faced grid-fleece layers perfectly with our baselayers to provide maximum warmth
- Self fabric waistband with dual snap closure and zippered fly allow for easy on and off transitions
- Dual slash handwarmer pockets
- Patterned with a gusseted crotch for maximum comfort and easy layering with bibs or waders.
- Tapered hem for a streamline fit when wearing layers underneath and over top
FABRIC TECH:
Body - 7.52 oz./yd.2Ā (255gsm) 93% polyester, 7% elastane finished with antimicrobial + moisture management
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Our warmest midlayer for cold days, the M's Thermal Pants feature a grid-fleece interior that traps heat next to skin, without adding bulk or limiting range of motion.
- Smooth faced grid-fleece layers perfectly with our baselayers to provide maximum warmth
- Self fabric waistband with dual snap closure and zippered fly allow for easy on and off transitions
- Dual slash handwarmer pockets
- Patterned with a gusseted crotch for maximum comfort and easy layering with bibs or waders.
- Tapered hem for a streamline fit when wearing layers underneath and over top
FABRIC TECH:
Body - 7.52 oz./yd.2Ā (255gsm) 93% polyester, 7% elastane finished with antimicrobial + moisture management





















