Just check coupons out (with price alert and history). What is best price?
Age Of Application: Adult Men, Fever Area: Back + Abdomen Neck, Function: Keep warm / Anti water splashing and Prevent cold, Size: S/M/L/XL/2XL/3XL/4XL, Power Supply: 5V/2A Portable Source (Not Included), Color: Black/Red/Blue, Power Supply Interface: USB, Material: Polyester Fiber
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($81.22): BGSCM75
2. ($86.76): BG00c906
coupon code has to be applied in shop’s cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BG10OFFAFF1, BANGGOODSD, BGMOTO478, ADMITAD2212, 2022ACTIESNL, Terence, Tabby20, 2203ActiesNL, BG1efeb0, 8Couponsde, MVC8SPRING, 8BGwbg2204, tRaDetRaCKeR, 8wEbgaInS5, BGAUTO22, BGdcbfa8, Cuponation9, BG1b4e97
(these codes were not working in latest coupon update, but you can check them out anyway)
Price history and price alert
Check out price history chart (for all/most countries) for Electric USB Heated Warm Hooded Winter Jacket.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).