England Rugby Training Pro Shirt - Kids - Red Spark Show your pride with the official England Rugby Kids Pro Training Jersey . This is the new junior England training shirt for the 2016-2017 season. The rigours of rugby training have changed somewhat since the days that cotton t-shirts were being worn for training. With training becoming more intense, this training jersey was designed to withstand the stresses and strains which occur in training. The Pro Training Jersey will help you train hard whilst you show your support commitment to the rose.