Turtle on Chest Long Sleeve UPF 50+ Dry-Fit Shirt Color:SEAFOAM The automatic ambient pressure equalization

The automatic ambient pressure equalization valve self-regulates for different altitudes

The Mission Pack Elite Hex is ideal for tactical applications

The model is available in Blue

and the durability of both the shirt and design is far better than other brands

and even a file

Turtle on Chest Long Sleeve UPF 50+ Dry-Fit Shirt Color:SEAFOAM The automatic ambient pressure equalizationA great shirt for the water! UPF 50+ sun protection and made of 100% polyester Extreme Tek material that is breathable, anti bacterial, and moisture wicking. The shirt is sublimated so there are no hot spots or peeling. * Men's shirts run slightly large, if unsure about the size order one size smaller to be safe Size Chart: *Measurements are in inches