From the website:

Enø Pullover is worked in a mix of our soft Merino yarn (80% wool and 20% nylon), our wonderful Kid Mohair yarn (70% kid mohair and 30% silk), and our elegant Shiny Cotton.

The technique is stockinette with one thread Merino and one thread Kid Mohair, while the stripes are worked in stockinette with one thread of Shiny Cotton. The hems are knit with one thread of Kid Mohair.

The style is available in four sizes and six color combinations.