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The GSI was designed with vent-technology to ensure a breathable workout. Whether you are lifting heavy or movement focused, this shirt will keep you feeling comfortable. The sleeves fit snug around the biceps and give your chest clear definition without restriction. If you want your body to breathe and look defined in training, the GSI is the shirt for you.
Designed to move with your body. This shirt is breathable while giving the chest and arms clear definition. If you are looking for a tighter fit, you can size down one size.
87.6% Nylon, 12.4% Spandex