Simms 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