TCA Boys' Thermoactive Long Sleeve T-Shirt Size M 8-10 Years Product Description The TCA thermoactive T-shirt for boys aged 8-10 is an indispensable piece of sports clothing on colder days. Designed for outdoor activities, it combines compression properties with thermal technology for warmth, comfort, and full functionality. Recommended by professional athletes, it is an excellent support during running, training or team games.