Ideal as a next to skin layer in hot weather or as an extra layer between the wicking layer and insulating layer in cool weather. This shirt is designed for maximum airflow with a mesh backing and gussets to keep you cool. There are ample pockets for storage and roll up sleeves making this a versatile shirt for any activity in any climate. UPF 40+ rating and a high collar provide excellent sun protection and the Scotchguard treatment provides excellent stain repellence which is a bonus when travelling in the outdoors. The Nylon Tactel Rip Stop material provides extra durability and strength. Wherever your adventures take you this shirt will be the ultimate companion.