I believe it will block. I made a sweater with superwash and blocked it--the stitches smoothed out, though I didn't have to do any real shaping.
"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