NIKE Lady Slim Sculpt Running Vest Nike Dri-FIT fabric - wicks away moisture to help keep feet dry and comfortable. High elastane content - provides excellent support with great stretch and recovery Lightweight and breathable - with a high standard of enhanced stretchable fabric. Flat Locked Seams - helps to reduce the chance of chaffing whilst working out. Mesh panels - For keeping you cool and help wicks sweat away during training.