From knitrowan.com website:
Using Felted Tweed Aran, a soft blend of 50% wool, 25% alpaca and 25% viscose, this comfortable turtle neck jumper features raglan sleeves and an all over slip stitch pattern. It was designed by Martin Storey.

Finished measurements:
Back width:18(20, 22, 24, 26, 28)“ 45.5( 50.5, 56.5, 61.5, 66.5, 71.5) cm
Total length: approx 24(25, 25.5, 26, 27, 28)” 60.5(63, 64.5, 66.5, 69, 71) cm
Sleeve length to underarm: 18.5(18.5, 20, 20.5, 21, 21)“ 47(49, 51, 52, 53, 53) cm

Yarn used:
Rowan Felted Tweed Aran
Shade 765 Scree 13(15, 17, 18, 20, 21) balls