O'Neill Bikini Bottoms - O'Neill Sunstroke Surf Leggings - White Aop W/ Black :: Women > Bikinis. Minimises drag when you're runningMaterial: 87% Polyamide. 13% ElastaneGreat for gym-work or outdoor trainingMaterial: 87% Polyamide. 13% ElastaneComfortable to wearGreat for gym-work or outdoor trainingWomen's leggingsComfortable to wearFigure-hugging. aerodynamic designWomen's leggingsMinimises drag when you're runningFigure-hugging. aerodynamic design Size: 12,14.