USPS is the cheapest option to ship clothes with. Moreover, USPS has a vast network of offices in the US. USPS doesn't offer exact-day deliveries, so it isn't great for urgent deliveries.
UPS is an excellent option for shipping clothes internationally, thanks to the largest network around the world and low international shipping rates.
FedEx provides a flawless tracking system and fast shipping clothes service for domestic shipping. FedEx has, however, the most expensive international shipping.
It is hard to choose the best carrier for
shipping clothes between FedEx, UPS vs USPS. Each has its pros and cons, the overall best option for shipping clothes varies depending on the order volume, required delivery speed, and destination.