Ronhill Advance Twin Running Shorts - SS16 Outer: 95% Polyester, 5% Elastane, Inner: 84% Polyamide, 16% Elastane Activelite Fabric - Ensures breathability, with a durable water-repellent treatment, keeping you dry in showery conditions. Powerlite Fabric - Offer great freedom of movement and excellent support with a next to skin fit. Laser Cut Panels - Designed to offer an enhanced anatomically correct fit, improving your comfort. Flat Bonadex Waistband with Drawcord - Provides a customised and comfortable fit whilst exercising. Inner Stretch fabric - Inner elastane stretch fabric under-short adds breathability and a supportive inner layer, moisture wicking means you'll keep dry and comfortable during activity.