You can now connect FAST Cooling products to “Cool Shirt” products with this connector. It is 10-12 inches in length for maximum flexibility. It has two FAST connectors and two “Cool Shirt” fittings. If you have a Cool Shirt shirt, it will connect to FAST Products without any adaptor. If you have a FAST Cooling Shirt, it will not connect to Cool Shirt products, therefore, this is the solution!