The bottom one definitely could. (Except that a REALLY experienced knitter might notice the edge of the ribbing and I don't think that's possible unless you use a machine--not positive, though.) The top one looks like it's lined, and most knitters don't do that, though it's possible.
"Trust the pattern!"
Time flies like an arrow, but fruit flies like a banana.
Hop aboard while we follow the cloud-covered van of knitting harmony, man!! Woooo!! --Hedgehog
IngridKH on Ravelry