Engineered for speed, power and performance, our Navy & Rose Gold Open-Back Powerskin Primo Kneeskin for women offers exceptional compression and powerful elasticity. Easy to put on in under 5 minutes, this World Aquatics-approved design will revolutionize your swimming as much as your race-day routine. The combination of the tensoelastic fabric and water-repellent fibres ensure minimal drag and longevity. First is better than fast.