Checkmate is a savings app with over one million users that have saved $$$ on brands like StockX.
The Checkmate extension automatically applies StockX discount codes, StockX coupons and more to give you discounts on products like 361 Degrees BIG3 4.0 Quick Reverse.
Checkmate users have also been loving these products from StockX.
Users have been saving products like this to their collections.