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I reccomend to do a swatch before knitting, the chart has approximate data.
Yarn: acrylic (only as top sock, if you want socks directly on your skin I reccomend sock yarn - virgin wool for winter and cotton or bamboo for summer)
Needles: circular bamboo neddles
Stitches:
Purl stitch
Knit stitch
Decreasing
Picking up stitches