The EIS COOL WEATHER SHIRT® is proudly made in the USA. The special fabric technology provides you with many outstanding performance features :

Health A
Offering superior sun protection with the equivalent of UPF 50

Warming Technology
This self-heating technology (no mesh design) is embedded in the fabric and heats your body temperature by 5 degrees. Your movement generates the heating effect and will keep you warm. 

Nanoplex
Microscopic nano particle attached to fabric fibers make these performance features long lasting. Not a fabric finish.

Easy Care
Normal wash, quick drying, and no shrinkage.

Odor Control
Our special wicking fabric helps control body odor.