S-Pack 700B - Replacement Battery for Heated Socks French Days Moisture management: Actively wicks sweat

Moisture management: Actively wicks sweat away to keep feet dry in cold or variable weather

So they are well adapted to hiking activities in the mountains by a warm summer  day as the innovative fabric offers excellent breathability

Compression stability: Graduated compression fit improves circulation

these socks are engineered to reduce friction

S-Pack 700B - Replacement Battery for Heated Socks French Days Moisture management: Actively wicks sweatThe S Pack 700B battery gives your Therm ic or SIDAS heated socks up to 7 hours of warmthplus Bluetooth app control on your phone. Sold individually. Use as a replacement or backup. USB charging cable and 5V 2A charging cube not included. Heating Duration Level 1: up to 7 hours Level 2: up to 4 hours Level 3: up to 1. 5 hours Key Features Bluetooth control via smartphone app Three manual and ten Bluetooth adjustable heat settings Compact and