If you are concerned about the cold then the Javelin Zip Jersey by Noble Wilde is just what you need!
Possum/merino is so cosy, soft and easy to wear and with care last for years!
Available here in Pumice, also listed separately in Neptune
The ultimate in comfort, this style of half-zip sweater with turndown rib collar that can be zipped right up. Single jersey knit, WholeGarment seamless construction.
Composition
40% Possum Fur, 53% Merino, 7% Silk