Go to a consultant shop and tell them how far you run each week.
Usually for the garments for the upper body like a shirt or maybe a top it is attached on the medial side the scruff of the neck. No other country except for China can quite match the Indian textile industry. https://spb.duim24.ru/bitrix/redirect.php?goto=https://nerdsmaster.com/groups/start-up-your-own-clothing-business/