Arena Carbon Air Open Back Kneeskin Fuchsia (24) The choice of Olympic Gold Breaststroker Breeja Larson, the Carbon Air combines the benefits of the Intelligent Compression with maximum comfort and a sleek construction. The new smart stretch shoulder strap adds an additional level of comfort. While popular for breaking records in the pool, it?s winning over swimmers for being easy to put on. Don?t have 40 minutes to spend in the locker room before your race? One Rio 2016 sprinter clocked her suit up time in the Carbon Air at five minutes flat!