Brand SOMAN, L 59-60cm, Material Carbon Fiber shell /EPS Lining, Using Crowd Man /Women /Unisex, Certification ECE Approved /DOT Certificated, Color 3 Fluorescent Green, Szie, XL 61-62cm, 2XL 63-63cm, Visor Double Lens/Dual Visor.
Price history, coupons and price alert are available on this page. You probably want to know what is the best price?
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
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. ($199.99): BGcfebaf
2. ($269.16): BG589b2e
you should apply the coupon in your 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/i1u
Old coupons (from the oldest to the newest): BGd02e68, BGdcbfa8, BG8ReviTrage, Cuponation9, 9OFFSUMMER, BGSCM75, BGd1725b
(there’s a little possibility that old coupon will work)
Price history and price alert
Here is price history (for all/most countries) for SOMAN 24K Carbon Fiber Fluorescent Motorcycle Helmet. The lowest price was: $189.99.
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)).