The adidas Ultra Boost 2.0 Solar Red Red Gradient (2016/2018) is the second-generation collaboration between adidas and BASF running shoe for the causal wearer. The upper shoe of the Solar Red Ultra Boost 2.0 is made from Primeknit knitted fabric featuring dark and light shades of red and orange. The quarters are braced by a red cage running across the midfoot from the midsole to the eyestay, and feature punched eyelets. The shoe’s closure is done through red laces over the tongue that has a red tongue tab with the adidas logo. A black heel stabilizer with the "ultraboost" insignia rises from the white boost midsole. A black outer sole finishes the shoe, resulting in contrasting colors of red, orange, white, and black. What do you like about the adidas Ultra Boost 2.0 Solar Red Red Gradient (2016/2018)? StockX experts like the retro design of the shoe for casual wearing. The shoe is made of breathable material with added support from the cage, heel stabilizer, and a padded collar. adidas released the Ultra Boost 2.0 on 23rd February 2016 for $180.