Gul Evotherm Womens Flatlock Long sleeve Rash Gaurd AC0050
This top has a UV shield and can be used as a thermal layer. 8 oz Evotherm fabric with flatlock durable seam construction provides maximum protection against wetsuit rubs, rashes as well as keeping you warm. Thumb loops to keep in place when worn under a wetsuit, in fact this top makes putting your wetsuit on easier. It is also great worn by itself when a wetsuit is not needed but its too cold for Lycra (which keeps you cool). This Fabric hates water so it always draws moisture away from the body which means it dries fast and is breathable so even when you are working hard you won't get too hot.
Editors Note: The fabric is very stretchy so getting the exact size is not so critical. It can be used as a thermal layer for all sorts of activities including hiking and snow sports.