Under Armour Stealth Storm Running Tights DWR Finish - Repels water without sacrificing breathability. Wind-Resistant Materials and Construction - Shield you from the elements to ensure optimal comfort. Signature Moisture Transport System - Wicks sweat to keep you dry, cool and comfortable. Anti-Odour Technology - Prevents the growth of odour causing microbes. 4-Way Stretch Construction - Improves mobility and maintains the shape of the garment.