provisional long tail cast on so I can add length to arm section. I like this provisional cast on.

33 (~5”) rounds of ribbing in arm section before starting thumb gusset

13 rounds of ribbing in hand section before starting garter stitch edge

thumb - 5 rounds after decrease row

lengthened arm section - 13 rounds ribbing - 4 garter stitch ridges - JSSBO

used about 82 grams for both mittens