The 2XU Heat Short Sleeve Tee is cut from anti-odour BIO-HEAT X ceramic-infused performance fabric with flatlocked seams to reduce chafing.Our model is wearing a size medium tee. He is 185.4cm (6’1”) tall with a 96.5cm (38”) chest and a 76.2cm (30”) waist.- Length: 72cm (size medium)- Regular fit- BIO-HEAT X ceramic-infused yarn performance fabric; moisture-wicking; stretch- Black shade- Crew neckline- Short sleeves- Reflective prints to visibility in low light conditions- Flatlocked seams to reduce chafing- Polygiene® anti-odour technology; anti-bacterial