Size L/XL/2XL, Gender Male, Model COTTON SMITH, Green, Color Navy, Yellow, Material 100% Cotton, Blue.
Just check coupons out (with price alert and history). 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 price update (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($13.82): BGCS5227
2. ($14.30): bGhOnEy10
3. ($14.30): BGAFF10OFF
4. ($14.78): BGAFF7OFF
apply it 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): BGXiaomiShorts4, BGOD1, BGSMB5, AFfbG10, 502C6B, BGBFAFF2019, BGCITYADS2019, BGVDay10%off
(these coupons are old, so probably won’t work)
Price history and price alert
Here is price history (for all/most countries) for Xiaomi COTTON SMITH Cotton Shorts. The lowest price was: $12.74.
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)).