Crochet Mittens, Japanese tutorial with Chart - This looks like a sleeve and would be so nice as a complete sweater. Note: The chart for this stitch is the second one down. The first chart looks so nice, but would be just one color.
Pictured gloves look like knitted feather and fan stitch to me! Ravelry: Crochet pattern, girl and women fingerless glove pattern, wrist warmer crochet pattern, crochet glove pattern pattern by Luz Mendoza