Ultimate Wool Heated Socks – 7.4V, 5s Instant Warmth, 16H Battery, Coolmax & Hidden Heating

Warmth in 5 Seconds. Comfort for Up to 16 Hours.

FREEHILL 7.4V Ultimate Wool Heated Socks deliver instant warmth with a professional-grade battery system and our proprietary heating module. Feel a temperature boost in just 2 seconds and cozy heat within 5 seconds.

Built with over 50% premium wool and Coolmax fibers, they keep feet warm, dry, and comfortable during intense outdoor activities. The innovative hidden mid-layer heating design eliminates pressure points and bulkiness—so you feel gentle, consistent warmth, not hardware.

Perfect for skiing, ice fishing, hunting, and outdoor work

Key Features

• 5s instant heating

• Up to 16 hours of battery life

• 7.4V 3000mAh high-capacity battery

• Over 50% premium wool + Coolmax fibers

• Hidden mid-layer heating design

• Heating wires routed around the ankle

• 4-LED power display

• Pre-heat mode with auto Medium switch

• Electrical fault protection

• Reliable operation at -20°C

• 50,000 button press tests

• Designed for men and women