Using our Insider technology, the Tech T-Shirt takes the basic men's t-shirt to a new level of long-lasting comfort and practicality. Its color-fast fibers are soft and cool to the touch, plus they adapt to your body and don't need ironing. Insider technology helps regulate your body temperature for all-day freshness. Composition: 92% modal | 8% elastane Model height: 6'0, size: M