If anyone decides to use the Thru-Hiker Mitten Pattern (thru-hiker.com > projects > Mitten Pattern), I have a few comments, now that I've made three pairs. Hope they help anyone making mitts from this pattern.
1) It's a really good pattern; simple and gets the job done. You hardly notice the seam across the palm when wearing, which concerned me at first.
2) Fit is surprisingly good, but you need to scale the pattern as needed. It assumes your palm circumference is 9". I did three different scale-backs from this pattern (different sizes– male adult, female adult, and kid) and all fit well when finished.
3) Obvious but needs to be said: much easier to sew with 100 wt fleece than 200 wt fleece. With the thicker fleece, you get some "bunchiness" in the hinge of the thumb. 100 wt fleece women's came in at 1 oz per pair; 200 wt fleece men's came in at 1.6 oz per pair.
4) When fastening the wrist elastic, first tack it into position well, and sew maybe a half inch of zigzag to get it pinned down. Once the feed dogs have a good grip, stretch the elastic as you sew over it with a zig zag. Not a huge stretch; just a gentle stretch. Then as you get to the other end of the piece, relax the elastic a bit and finish with a few extra stitches at the end to anchor it well. This will give you a gentle but good grip around your wrist when finished. Notice my technique improving from left to right; the dark mitts have quite a bit of elastic "grip" at the wrist.
4b) Wifey wished the wrist elastic was placed another eighth or quarter inch "south" toward the gauntlet.
5) The lower palm's thumb piece is generally about 1/4" short at the thumb tip when you match it with the back piece. I just trim the excess from the matching back piece at the thumb tip when sewn. But if you have long thumbs, you'd want to extend the thumb of the lower palm piece by maybe 1/4" when cutting.
6) The inner finger piece generally ends up 1/4" shy at the finger tips when matching the back piece. Again, I just trim the excess after it's sewn, but if your fingers tend to be long, then extend the finger area of the inner finger piece by maybe 1/4" when cutting.
7) A zigzag stitch does a better job hemming the gauntlet area (compare to straight stitch on green pair), allowing further stretch when putting on the glove.
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