Thermacell Heated Insoles Proflex Large with Extra Battery Pack

Enjoy your favorite outdoor activities without worrying about cold feetBattery-powered electric heated insoles are perfect for hunters, hikers, skiers and other outdoor enthusiastsRechargeable foot warming insoles are operated by a wireless remote control while the insoles remain inside your shoes or bootsRemote lets you choose no heat, medium heat (100 degrees Fahrenheit) or high heat (111 degrees Fahrenheit)Uses high-tech wireless thermal technology with removable batteriesRechargeable, removable lithium-ion polymer batteries easily fit into the insolesBatteries last for up to 5 hours of constant use on medium heat settingBatteries recharge in 4 hours or less using the included wall charger or USB cableBattery cover is comfortable, resilient Poron, an antimicrobial, shock-absorbing cushionExtra batteries available separately for all-day warmthInsoles are water-resistant to protect electronic components from moistureIncludes:- Left and right heated insoles- Removable, rechargeable li-ion polymer batteries- Wireless remote control with included button-cell battery- Wall/USB charger and USB cable for recharging the insole batteriesSize S fits Men's shoe sizes 3.5 to 5 & Women's shoe sizes 4.5 to 6Size M fits Men's shoe sizes 5.5 to 7 & Women's shoe sizes 6.5 to 8Size L fits Men's shoe sizes 7.5 to 9 & Women's shoe sizes 8.5 to 10Size 1XL fits Men's shoe sizes 9.5 to 11 & Women's shoe sizes 10.5 to 12Size 2XL fits Men's shoe sizes 11.5 to 13 & Women's shoe sizes 12.5 to 14Flexible polyurethane insole material can be trimmed to fit into almost any size and shape of footwearTo view extra battery packs, please search for "ProFLEX battery" in the search box above