Soulsfeng Heated Boots FuturaHeat-X olympix Output Ports: Dual USB /

Output Ports: Dual USB / DC (Fast Charging)

Material: 100% polyester fiber（waterproof）

Material: 220gsm flex cotton fabric

External battery compartment:  Internal heat insulation material plus short plush lining

Versatile: Use in 3 modes – double cover for spring/fall

Soulsfeng Heated Boots FuturaHeat-X olympix Output Ports: Dual USB /FuturaHeat X (anti cold semiconductor thermal boots) Applicable Temperature Range: Applicable to ambient temperatures from 32(0C) to 40( 40C), bringing warmth, safety and health to the frontline Material: Upper layer of cowhide, warm short plush lining Shoelace Material: 3M reflective shoelaces Zipper: YKK zipper External battery compartment: Internal heat insulation material plus short plush lining,Ensures that the battery can work normally at around