Graphene Homothermal Neck Warmer

• It can block dirt and resist cold wind, and improve the protection during exercise. 
• It adopts comfortable and warm fabric, which is highly elastic and not easy to change. It is warm and comfortable to wear close to the skin. 
• Graphene printing is introduced into the warm inner bristle cloth, which has the performance of heat storage and warmth preservation, and the temperature sense is not dry and hot. 
• Reflective signs are adopted on the back to increase the safety of outdoor and night sports. 
• Size：One size fit all