'70s Corduroy Trousers + Crocs + Colourfully Stitched Sweater Crocs might not have been around in 1970, but that doesn't mean that you can't integrate them into your every retro outfit this season. Sonia Lyson surely thinks so, styling a pair of black Crocs with hunter-green wide-wale corduroy trousers and a colourfully striped sweater. Image Source: Getty / Jeremy Moeller