Overview:
100% new design and high quality
Men's fashion items
Warm winter goods

Specifications:
Size: S / M / L / XL / XXL / XXXL / XXXXL
Operating temperature range: About -5 ° C to 40 ° C
Fabric: Polyester
Color: Black, royal blue, camouflage, red

The long sleeve has three heating zones,the vest has four heating zones， and the Special vest has two heating zones

Package Content:
2x Fever vest

 Note：The difference between Special Blue and Blue is that different suppliers have different product quality. Special contains graphene.

 "special" is 2 zone heating