Kneelength racing swimsuits provide more coverage and compression than a traditional swimsuit, covering from the chest to just above the knee. They're built for competitive swimmers who want the compression and hydrodynamic benefits of a technical suit, making them a popular choice for club swimmers, squad racers and juniors stepping up to their first meets.
Unlike everyday training swimwear, racing swimwear in this category is built from technical fabrics designed to compress muscles, reduce drag and resist water absorption. Most suits here are World Aquatics approved, meaning they meet the fabric, coverage and construction rules required for sanctioned competition — important if you're racing at state, national or international level. Open-back styles are most common and suit most swimmers, while closed-back versions offer a snugger, more supportive fit through the core.
This kneelengths category spans both adult and junior sizing, with a strong range of junior-specific suits designed with bold colourways and slightly more forgiving compression for younger swimmers building race experience. Womens sizing runs through a full adult range, while girls' sizing covers the junior squad and age-group market.
Arena and Speedo dominate this category and both produce World Aquatics approved kneeskins across multiple compression and fabric tiers, from entry-level racing suits through to elite-level technical ranges used by national-level swimmers. AMANZI offers a lighter-compression alternative worth considering for swimmers wanting a more accessible racing fit at a lower price point. Across all three brands, look at the compression level and back style, since the right combination depends on how often you'll wear the suit for racing.
Browse the range of womens and girls racing kneeskins from Arena, Speedo and AMANZI below to find the fit, compression and fabric suited to your next race.