It is smart to have a spare change of clothes ready for outdoor excursions. Packing a long sleeve shirt will also give you the option of layering for cold nights or if you are travelling towards high altitudes. This dri-fit material is quick dry and soft on skin. 

Size: 3XS, Chest: 16"
Size: 2XS, Chest: 17"
Size: XS, Chest: 18"
Size: S, Chest: 19”
Size: M, Chest: 20"
Size: L, Chest: 21"
Size: XL, Chest: 22"