Arena Powerskin Primo Openback Racesuit. Tap into the race day energy with arena's Open-Back Powerskin Primo Kneeskin for women. The first-ever tensoelastic racing suit, it combines the highest overall compression, ultimate elasticity and phenomenal hydrodynamics for excellent freedom of movement and ultimate speed in the water. 

Key Features:

• Experience the most powerful compression combined with extraordinary elasticity in this women’s Powerskin Primo Kneeskin, made from arena Hyperforce™, the first-ever tensoelastic fabric. This technical suit is approved by World Aquatics.
• Permanently hydrophobic TPU fiber provides maximum water repellency.
• New internal taping provides powerful support that lifts the legs and hips for optimal body positioning. 
• Enhanced coverage with a longer cut from waist to knee, ensuring maximum compression precisely where you need it the most.
• Available in long torso sizes for a near-custom fit and supreme comfort in the upper part of the body without sacrificing compression.