Does cotton spandex shrink when washed?

Cotton-spandex blends do shrink. Be careful though, as washing and/or drying with too much heat can twist as well as shrink. posted by Alylex at 11:47 PM on March 15, 2004. Thanks! That's pretty much what I needed to know. read more

Over time, 98-percent cotton/2-percent spandex jeans will stretch out. This is due to the movement of the person wearing the jeans and normal wear and tear. You can shrink jeans about one whole size by placing them in hot water. read more

Spandex is a synthetic fiber that generally does not shrink. However, when blended with other fabrics such as cotton, linen, rayon and tencel, there is a potential for shrinkage. For example, spandex blended with polyester tends to shrink, especially when exposed to high heat. read more