Active Skin 4 is engineered with SensiFit™ technology to ensure a snug

protein crisp (isolated soy protein

as well as for all types of activity that require flexibility and comfort

so you can focus solely on your performance and efficiency

ADV Fly Unstructured AeroBill AeroAdapt Cap, Unisex, White/Anthracite/Black nikebf Active Skin 4 is engineeredADV Fly Unstructured AeroBill AeroAdapt Cap, Unisex, White Anthracite Black Lightweight, breathable and built for high performance perfect for running and training. DESIGN & TECHNOLOGY AeroBill technology combines lightweight and moisture wicking for maximum comfort AeroAdapt ventilation ensures optimal temperature regulation during activity Unstructured design provides a flexible and relaxed fit MATERIAL & FUNCTIONALITY Lightweight and quick drying