Most activewear does not wear out, it gets cooked. Learning how to care for activewear comes down to removing heat, fabric softener and friction from the routine, because those three things are what destroy the elastane that makes the garment work in the first place....
The difference between activewear and everyday basics is not how athletic they look. It is what the fabric is engineered to do with sweat and stretch. Activewear is built to move moisture away from your skin and recover its shape after being stretched hard; everyday...