[XX-Large Grey Heather]
[Large Tall Grey Heather]
[X-Large Tall Grey Heather]
[Large Grey Heather]
[Small Grey Heather]
The Merino Wool line is a 2.0 on our 1.0 to 4.0 scale for warmth factor. The Merino Wool line is for the most extreme conditions providing maximum warmth using a Merino Wool to trap air and enchance breathbility all while providing a UPF rating of 50+.