Cylindrical double lens

3 Force Technology: Maximizes energy transmission for greater power and efficiency

Universal temperature range

lasts longer

Internal Pocket For Snow-Safety Gear: Designed to keep your shovel and probe readily accessible no matter the load

Hotronic Heat Socks Set XLP 1S BT Surround Comfort EVO Size:S Cylindrical double lensHotronic Heat Set These Hotronic Heat socks provide ample warmth and comfort with an ideal fit and moisture transfer for comfort, while using Merino wool with shin and instep pads for warmth. The Lithium Ion battery, controllable through Bluetooth with a specific heat app, provides up to 10 hours of consistent heat. Stay warm all day out on the mountain! Key Features: 2200 mAh capacity 10 hours of constant heating power Bluetooth app controls the