Helly Hansen Pace Mesh LIFA Flow Running T-Shirt - SS15 Lifa Flow - For super quick drying next to skin, Lifa Flow quickly moves away moisture to keep you dry and comfortable. Lifa Stay Dry Technology - Draws Moisture away from the skin to be evaporated. Full Quick Dry Mesh Back - Delivers superb ventilation and breathability, whilst also drying rapidly making the garment ideal for intense exercise. Flatlock Stitching - Eliminates Skin irritation and potential chafing. UV Protection 30 - Provides protection against the sun, letting you train with confidence.