New to crochet colourwork? We have a tutorial here:
http://thecrochetproject.com/blog/how-to-work-crochet-col...

With simple striking colour work and a hat to match, the Newnham Mitts are sure to please.

Sizes
S (M, L)
To fit hand measuring: 18 (19, 20)cm/ 7 (7.5, 8) in

Materials
1 (1, 1) 50g ball Blacker Yarns Pure Shetland 4ply in Very Dark - Col A
1 (1, 1) 50g Blacker Yarns Pure Shetland 4ply in Fawn – Col B

3.5mm (US E) hook.

Tension
20 sts and 18 rows in double crochet (US single crochet) in the back loop only to 10 cm/4 in using 3mm hook (or size needed to achieve tension)

Difficulty Rating
Easy

Skills Needed
Basic crochet stitches, working in the back loop only, decreasing, working from a colour work chart, changing colour, working with two colours.

Construction
Worked from the brim up, first in zig zag ribbing in
rows, then joined in the round to work the colour charts. Decreases are worked at the fingers and thumbs in single colour.