Intelligent Heating: 2 large area heating elements; far infrared heat; rapid heating; the maximum temperature can reach 65 Celsius.
3 Levels Temperature Control: Intelligent chip; one-button temperature control; three-speed adjustment; red temperature is about 60-65 Celsius; white temperature is about 45-50 Celsius; blue temperature is about 40-55 Celsius. 
Single control single payment 
No Fear of Washing: No fear of tearing or washing; as a new one for using a long time; easy to clean; direct washing. 
Applicable Sports: Suitable for camping, skateboarding, self-driving, rock climbing, cycling, travel, diving, daily warm wear and many more. 
Style: slim 
Soft: moderate 
Thickness: regular 
colour:Red + black 
Material:Aluminum alloy + oxford cloth 
size: 
M, (cm/inch) , clothes length: 59 / 23.23 , Shoulder width: 38 / 14.96 
L, (cm/inch) , clothes length: 62 / 24.41 , Shoulder width: 39.5 / 15.55 
XL, (cm/inch) , clothes length: 65 / 25.59 , Shoulder width: 41 / 16.14 
XXL, (cm/inch) , clothes length: 68 / 26.77 , Shoulder width: 42.5 / 16.73 
Package Contents: 
1 x Heated Vest 
Pay attention: please take out the power bank before washing, put the USB interface back into the pocket and pull the zipper. Please ensure dry when use it again.
Only the above package content, other products are not included.
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.