The North Face 'GTD' 1/4 zip short sleeve running t-shirt is crafted from a lightweight double-knit polyester fabric featuring FlashDry? technology which simultaneously wicks moisture away from the skin to keep you comfortable and provides full ventilation to ensure you remain cool and dry throughout your performance. Ideal for running, trekking, hiking and all other forms of outdoor activity, the 'GTD' t-shirt has strategically placed ventilation zones for even greater breathability, a 1/4 zip at the neck..