This classic black t-shirt features bold white text proclaiming "monday: arm day, tuesday: arm day, wednesday: arm day, thursday: arm day, friday: arm day". Made from comfortable cotton, this tee is perfect for fitness enthusiasts who dedicate their week to building those biceps. Wear it to the gym as a humorous nod to your dedication, or as a casual everyday statement. The simple design and bold text make this shirt a standout piece. This tee is sure to be a favorite in your wardrobe!