This hot-weather snap shirt is spec’d with two all-new fabrics for tailored performance. Across the chest, upper back, and tops of arms, AirMatrix Technology woven fabric provides maximum breathability with micro-openings. This new fabric is soft, comfortable, and will not chafe while worn next to skin. Across the back and underarm, a durable ultralight knit fabric provides equal comfort. Both fabrics wick sweat and dry quickly to keep you feeling dry.Leveraging an antimicrobial odor resistant treatment, a UPF 40+ sun protection rating, and a ventilation enhancing loose fit, this snap shirt is ideal for keeping you comfortable and protected during long periods of sun exposure.