The refined SX4 is based on the bullet prove Active Valve System that was the core foundation of the acclaimed SX3. We built on that solid operating m...More
The refined SX4 is based on the bullet prove Active Valve System that ...
Long sleeve base layer shirt made from naturally odor resistant Merino wool. 1/4 length zipper for added ventilation. Hood is designed to add warmth o...More
Long sleeve base layer shirt made from naturally odor resistant Merino...
