Marmot Men's AirExchange Ultraviolet Protection Factor 50 Short Sleeve Crew Shirt - Agate green
From Macy's
An essential backpacking base layer that wicks sweat and keeps blazing rays at bay for quick-drying, breathable comfort. Ultraviolet Protection Factor 50 helps block the sun on long sunny days with a side-zip pocket that's pack- and harness-friendly.