Under Armour EVO ColdGear Fitted Mock Neck Long Sleeve Running Top Dual-Layer EVO ColdGear Technology - A durable and fast-drying material to maintain your warmth in cold conditions. Signature Moisture Transport System - Wicks sweat away from the body to help keep you dry and comfortable. Dual-Layer Fabric - Has a durable, smooth, fast-drying exterior. 4-Way Stretch Fabrication - Allows for greater mobility and helps the garment maintain its shape. Anti-Odour Technology - Prevents the growth of odour-causing microbes.