Aunt Maggies slippers, a vintage pattern. My Nanna from Australia made slippers very similar to these. Double strand the yarn, and crochet the edges closed, wear with socks and you have two foot furnaces.
Ravelry: haraseiram's Baby Blanket :Co 120 on (smallish?) 6 rows garter for border, always at beg and end of row. rows(between border) then 5 rows stockingette- switch color repeat 6 rows, finish with 6 rows garter