Thermacell / Thermascent Heated Insoles Med

THERMACELL® RECHARGEABLE FOOT WARMER HEATED INSOLES•Soft durable design offers shock absorbing all-day comfort & water-resistant fabric liner (when wet dry completely before re-use)   •Offers up to 2500 hrs. of heat for about four winters of heavy use   •Trim insoles if needed before placing inside shoes or boots for custom fit   •Uses high-tech wireless thermal technology   •Powered by rechargeable built-in lithium-ion polymer batteries embedded in the foot warmer insoles   •Convenient remote control operation (no wires or external batteries) provides reliable heat adjustments - 3 temperature settings (No Heat Medium (100°F) & High (111 °F)   •Recharge up to 500X using the included wall charger   •Apx. 5 hr. charge duration   •Ideal for hunting working or playing outdoors   •Tested by SATRA (worldwide leader in footwear testing)   •Includes storage bag   Size Medium (M 6-7.5 W 7.5-8.5)