Under Armour Streaker 1/2 Zip Women's Running Top - AW16 Fitted fit - Next-to-skin without the squeeze. Hybrid stripe construction - Delivers amazing breathability and comfort. Signature Moisture Transport System - Wicks sweat to keep you dry and light. Lightweight, 4-way stretch construction - Improves mobility and maintains shape. Ergonomic flatlock seams - Reduce chafing.