Sport weight definitely takes longer than worsted, and fingering even longer. I think the major problem may be the cotton--it's notoriously difficult to work with because there's not as much give as with other fibers.
"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