The Flappy Sleeve Reversible Cardigan
The pattern is beginner friendly and written in English with lots of instructional pictures
5.00mm(U.S H/8) crochet hook is required for this pattern
Aran/Worsted Weight Yarn, I used Hayfield Aran Bonus with 20% wool, 400g balls

Sizes include: Approximate Chest Circumference.
6-12mo 48cm/19in
12-18mo 51cm/20in
1½-2 59cm/23in
3-4 62cm/24.5in
5-6 67cm/26in
7-8 75cm/29.5in
9-10 80cm/31.5in