Whether high performance means a PB on the track or an extra five minutes of workout time, the Seeker Tank is for you. With a super-soft blend of polyester, made from recycling post-consumer waste and captured carbon emissions, this lightweight performance piece has the addition of a citric acid-based treatment to help keep it feeling fresh.From carbon emissions to clothing — this top is made using an innovative carbon recycling technology, LanzaTech. Carbon emissions from manufacturing sites are captured before they’re released into the atmosphere and converted into a raw material that makes polyester fibres.