Using the same pulling principle as magnetic fields Permawik instantly reaches out, pulling in large amounts of moisture. Other fabrics using capillary wicking absorb moisture after prolonged contact but Permawik absorbs moisture immediately. 100% nylon microfiber feels like butter compared to polyester fabrics and is far more durable. Stain release protection Fabric breath ability 50 UPF UV protection Anti-static properties to eliminate static cling.