This morning I looked around for something appropriate to model this baby hat - knit as written in Brooklyn Tweed's Koolhaus pattern but with baby yarn on 3.75 mm needles. My finished hat is 12 inches in circumference unstretched - it'll stretch comfortably to 15 inches - and 5-1/2 inches high from brim edge to center top. There's no newborn baby handy and I haven't come up with any other ideas to check the size and fit except to compare the measurements to this chart. Seems like the size is about right based on that.
The finished hat weighs 21 grams, leaving me with 57 grams of white acrylic baby yarn. I guess I can make a couple more. Maybe for the next one I knit I'll follow an actual baby hat pattern to see how the size compares. And then go back to the Koolhaas pattern if everything looks copacetic.
Before starting the pattern as a baby hat I reflected about whether the pattern was too "ridge-y", whether it would be uncomfortable against a newborn's skin or leave marks in a lattice pattern. The second picture shows the knitted fabric on the inside of the hat; as you can see the pattern is quite muted on the reverse and the fabric is fairly smooth. I think it'll be okay.
At least I have a definite plan about what to do with these hats. My sister-in-law is a labour and delivery nurse at one of our local hospitals. Mom used to donate hats through her, so I'll do the same with these. Maybe she can let me know how well they fit and work?