Yupoo Nike Air Vapormax Flyknit 20 PG2018 second generation large air cushion, elastic knitted upper, original Qingdao nitrogen feedback, the most cost-effective version on the market, any comparison to raise the price, quality, item number AJ6900200, size 36 365 375 38 385 39 40 405 41 42 425 43 44 445 45