(TrendHunter.com) adidas launched its Single Shoe service across 22 European countries, making it possible for consumers with leg limb differences to buy just the shoe they need at 50% of the price of a full pair….(TrendHunter.com) adidas launched its Single Shoe service across 22 European countries, making it possible for consumers with leg limb differences to buy just the shoe they need at 50% of the price of a full pair….