A rounded (or standard) toe box is the most common shape across cycling shoe brands for good reason—it works well for the majority of riders. It gives your toes enough room to sit in a natural position without feeling squeezed, while still keeping the shoe snug enough for efficient power transfer. Think of it as the middle ground between a sleek, tapered race shoe and a roomy anatomical fit.
This shape is a solid pick if you ride across different disciplines—road, gravel, or commuting—and don't have especially narrow or wide feet. It allows some natural toe splay, which helps with comfort and circulation on rides of any length.
If you've never had issues with toe numbness, hot spots, or bunions, a rounded toe box is likely your best bet. However, if you know you have particularly wide forefeet or experience discomfort on longer rides, you may want to consider a wide/anatomical option instead.