Fieldsheer's Mobile Warming Premium 2.0 Heated Socks are powered by Powersheer® Micro BT 3.7-Volt Lithium-Ion battery that provides long-lasting warmth for up to 10 hours on a single charge. These Premium 2.0 Merino Wool Heated Socks are a thoughtful blend of comfort and Fieldsheer’s® Mobile Warming® Technology. 

Sock Features:

• Calf Length
• L/R Design
• Comfort toe
• Heavy cushioning in key areas
• Arch Support
• Heal and toe reinforcement
• No slip features
• Heat under toes
• Comfort Contour Bluetooth Battery
• Up to 10 hours of heat

Battery Features:

• Powersheer™ Mini B Rechargeable Lithium-Ion Comfort
• Contour Battery (3.7V 2200mAh)
• Up to 11 Hours of Power Per Charge
• UL/CE certified
• Bluetooth® enabled
• Battery size: 4in x 1.8in x 0.5in
• USB Charge Cable included
• Charge Time 3-4 hours*
  *Footnote: Charge time is based off using a USB-A wall charger that delivers [email protected]

Includes:

(1) Pair Premium 2.0 Merino Heated Socks

(2) Powersheer™ Mini BT Rechargeable Lithium-Ion Comfort Contour Battery (3.7V 2200mAh)

(2) Micro-USB Cable