- 59% Merino Wool, 34% Nylon, 5% Polyester, 2% Lycra
- Heat Zones Over and Under the Toes
- Sweatsheer® Moisture Wicking
- OdorSheer® Natural Odor Protection
- Over the Calf Length
- Left and Right design for Added Comfort and Fit
- Arch Support
- Heal and Toe Reinforcement
- Zippered Batter Compartment on the Calf
- 4 Selectable Heat Levels
- Slim Contoured 3.7v Lithium-Ion Rechargeable Battery
- Bluetooth®-Enabled Wireless Control
- MW Connect™ Mobile App Compatible available on App Store or Google Play Store
- Up to 11 Hours of Heat Per Charge
- Universal USB Charging Input
- High Capacity Rechargeable Lithium-Ion Battery (3.7V 3600mAh)
- UL/CE certified
- Up to 11 hours of heat between Charges (3+ hours Hi - 11hours Low)
- Charge Time 3-4 hours*
- Includes: (2) Pro Merino Socks / (2) 3.7v Reechargeable Lithium-Ion Battery (7.6V 3600mAh) / 1 USB Charging Cable
- SM (M 5-8/W 6-9), MD (M 8-10/W 9-11), LG (M 10-14/W 11-14)
Whether you’re in deep in the backcountry or on a winter job site, you can trust Pro Merino heated socks to provide powerful instant warmth. With expanded heat zones above and below the toes and powered by a high capacity 3.7v Lithium-Ion rechargeable battery, the pro merino calf length sock delivers heat for up to 11 hours on a single charge. Odor resistant merino wool blended fabric provides added comfort and warmth. Toggle between 4 temperature settings from the convenience of your cell phone using Bluetooth wireless control and the MW Connect® app. The integrated zippered battery compartment conveniently keeps the power block in a comfortable position throughout the day, with no need to adjust or worry about them shifting. The perfect blend of high-performance materials and technology to make sure you stay warm, dry, and comfortable no matter what the weather throws at you.