I made the ribbing extra long, since I am tall and wanted them to come up over my knees. They are so warm and comfy - even more than I expected.
But yeah, knitting with super bulky yarn on size 11 dpns? Not fun. Quick, but not really fun. Especially trying to turn the heel!
Pattern: Cottage Slipper Socks from Lion Brand (on Ravelry)
(You can find the pattern free on Lion Brand's website - but you need to register an account to see it.)
Yarn: Wool-Ease Thick and Quick Charcoal (less than two balls) and Natural (less than a half a ball)
Needles: Skacel size 11 US plastic dpns