The Muddy Nucleus Heated Bottom keeps your legs warm during all-day ice fishing sessions, late-season whitetail hunts, and cold-water boat rides when the wind cuts through standard base layers. Two heating elements-one on each thigh-run off a single included 10,000mAh battery, delivering up to 12 hours of warmth on Low, 8 hours on Medium, and 6 hours on High. A silent, easy-access waistband power button allows quick heat adjustments without excess movement in the stand or on the ice. The Brown Clay fabric blend of 92% polyester and 8% spandex offers stretch and comfort, while anti-pilling and anti-static properties maintain a smooth, quiet feel through repeated wear. Stirrup loops keep the bottoms locked in place when layering under bibs or insulated pants, and the included charging cord restores the battery to full capacity in as little as 4 hours.Color: Brown Clay92% polyester, 8% spandex with anti-pilling, anti-static finish, and stirrup loops2 thigh heating elements powered by an included 10,000mAh batteryBatteries recharge to full capacity in as little as 4 hours via charging cord (included)Three heat settings keep you warm in any conditions:Low (12h)Medium (8h)High (6h)Manufacturer's limited warrantySizeWaist (in.)Hip (in.)Inseam (in.)S29 - 3137 - 3832M31 - 3339 - 4032L34 - 3642 - 4432XL45 - 4746 - 48322XL42 - 4450 - 52323XL46 - 4854 - 5632