Concavity Socks | Knitting kit

2025-10-05T00:00:03-04:00

Price: 28.80

Here is the latest design of Shuyi Wu, the Concavity Socks ! This beautiful pattern is a variation on the mitered squares concept.

Half-completed squares on the front and back of the sock form concave hexagons (hence the name), while the missing tips move to the sides to fill in the gaps. The heel and toe are surprisingly intuitive, and the stretchy garter stitch provides a good fit.

I designed this specifically to showcase the lovely Bis-Sock self-striping yarn. Choose a colourway with high contrast for a more dramatic look. - Shuyi Wu

We are thrilled to offer this model as an exclusive knitting kit until March 2026. You will be able to purchase this pattern separately in Shuyi We's Ravelry store starting in April 2026 HERE.

THIS KNITTING KIT INCLUDES

The Concavity Socks knitting pattern (sent as a digital pdf format) - The pattern is included when you purchase a kit.

BISCOTTE YARNS - BIS-SOCK [85% merino wool sw, 15% nylon; 400 m per 100 g] - 1 SKEIN (in self-striping colorway) - shown in Eclipse

IN ADDITION TO THIS KIT, YOU WILL NEED THE FOLLOWING MATERIALS

Circular needles (with cable length of 80cm (32'') for magic loop) of 2.5 mm (US 1.5) - or size required to obtain the gauge.

Stitch markers

Tapestry needle

Stitch holder or scrap yarn

Crochet for provisional cast on

SIZES - XS (S, M, L)

The length of the foot is adjustable.

The table below provides the circumference of the finished sock; the recommended foot circumference, factoring in 15% negative ease for a garter stitch sock; and which size you should knit based on your typical vanilla sock stitch count (with the negative ease difference between stockinette and garter stitch already accounted for).

GAUGE

8 stitches and 16 rows (or 8 ridges) = 2.5 cm (1'') in garter stitch (worked flat).

NOTE

The sock is constructed in layers. Each layer contains two hexagons and two squares, and each module is always in the same position on every layer. Hexagon 1 is on the back of leg / sole, Hexagon 2 is on the instep, Square 1 is on the left, and Square 2 is on the right. The schematic below shows a flattened view of the cuff and first layer of the sock. The pattern frequently requires you to pick up and knit/purl sts along a garter stitch edge. With the exception of picking up along the cuff edge, you will be picking up 1 st per garter ridge. Sometimes, it may look like there is one garter ridge too few; when this happens, just pick up an extra st from the module below, or wherever there appears to be a gap.