Shop our You Make My Knees Weak JK Yesterday Was Leg Day t-shirt for guys. Affordable, funny leg day t-shirt for all types of fitness. Great for any guy that feels like he's weak in the knees but then remembers yesterday was just leg day.
This design is offered as a men's t-shirt or a men's tank top. Both styles are great for working out in. Choose from 4 different colors for both tanks and tees.