A fully specified long sleeved shirt ideal for all Trek & Travel activities. Made from Parameta® A fabric, the Katmai is designed to give protection from the sun and the wind while providing active cooling. The additional pocketing offers secure and secret storage of documents. Greater temperature control with reduced gape from closely spaced buttons. Increased wind and sun protection through traditional style collar. Additional temperature control from secure cuff closure. Minimal rucksack rub over shoulder area due to flat shoulder seams. Maximum freedom of movement with articulated sleeves. Two bellows pockets on the chest. Hidden secure passport sized pocket within one bellows pocket. Discreet OS map sized pocket. Long back hem with side slits. Two spare buttons provided. Provides UV protection with a SPF exceeding 50, blocking out virtually all harmful rays. 200g.