"The adidas Ultra Boost is a popular running sneaker from adidas. The retail price for the shoe is $180 and can go up to $240 for LTD and collaboration colorways. It features a mix of Primeknit and mesh over Boost cushioning for an excellent combination of comfort and support. The Ultra Boost became an overnight hit after Kanye West wore them during a Chicago Bulls game. The adidas Ultra Boost has had four updates including an “Uncaged”, an “Uncaged 1.0” and version 2.0 and 3.0 of the sneakers.Most recently, adidas unveiled the XENO option on miadidas, which released on October 20th, 2017. A 4.0 version is set to release in December 2017. Read the articles below for further release details and price information."