After both their 2021-22 away kits were launched on the same day, Premier League rivals Chelsea & Manchester City will be rematching last season's Champions League final.The Blues, much like Porto two months back, have made a strong case for themselves by reintroducing an iconic colour.Since the 1960s, Chelsea has played in yellow away kits regularly, although less frequently since the beginning of the millennium. But it is back for this campaign.Pernille Harder and other stars modeled the shirt. The shirt also features horizontal black pinstripes that are a nod to many of the club's historical away kits from 1981 through 1994.The complete kit includes black shorts and socks in yellow, as well as hidden details such the motto "Pride of London", which is only visible inside the collar.NikeWe don't know if the switch to a yellow-and black strip so close to the season's start is a clever ploy to lure Erling Haaland, a transfer target from Borussia Dortmund.Stream ESPN FC Daily on ESPN+ (U.S. Only)- Do you not have ESPN? Get instant accessPumaPuma, the manufacturer of Manchester City's new away jersey, has taken a more eco-conscious approach to design Manchester City's new uniform. They have adopted a manufacturing process that uses only 1/3 as much water as previous kits. The "Dope Dye” process uses less dye and water than traditional techniques, thereby dramatically reducing wastage.The City hopes the kit launch will bring awareness to water issues around the world. 1 in 3 people lack access to safe drinking water worldwide.City have teamed up with Xylem, their official water technology partner, and the Cityzens Giving foundation to offer water, sanitation, and hygiene services to more than 10,000 youth in four cities on three continents. The focus is on Manchester, Sao Paulo and Buenos Aires.PumaKyle Walker models the shirt. It features water droplets all over the design. The iridescent purple blue lettering and logos are intended to replicate the light reflection through the droplets.It is made of 100% recycled polyester, which can be found in many soccer jerseys.Pep Guardiola's team will be wearing their new away kit when they take on Leicester City in the 2021-22 FA Community Shield.