Discontinued . Take your active pursuits to the next level with the moisture-wicking power of merino wool in Icebreakerand#39;s 150 Tech T Lite Alpine Ridge shirt. Itch-free merino wool is ideal for all-day wear, and the UPF 30 sun protection stands up to long days outdoors. Available Colors: MONSOON, PINE. Sizes: S, M, L, XL, 2XL.