I made boot toppers for my mom as a Christmas gift. These are both easy and quick to make, a perfect (last minute) Christmas gift.

Size: One size, but very stretchy.
Yarn: Drops Nepal (65% wool, 35% alpaca) 50 g = 75 m. Color: gray.
You will need approx. 50 g. I used scrap yarn.
Gauge: 18 sts and 26 rows = 10x10 cm stockinette st with 4 mm needles.
Needle: double pointed needles size 4 mm and 3.5 mm.