Vintage Cycling Tee コーヒーマグカップ

Bring humor to your workout with this bold and funny cycling design featuring the quote “Assuming I’m Just an Old Lady Was Your First Mistake.” Perfect for spin class lovers, cyclists, and fitness enthusiasts who enjoy a little sarcasm with their sweat session. The vintage sunset background and silhouette of a stationary bike rider give this design a trendy retro vibe. Great as a gift for moms, grandmas, or any strong, confident woman who loves cycling, spinning, or gym workouts. Ideal for birthdays, holidays, or just to show off personality at the gym. Whether you're hitting a spin class or riding for fun, this design makes a statement—age is just a number, strength is timeless.