Circuit Vest Guide

Choose the Right Circuit Vest for Running

Circuit vests are available in different capacities (e.g., 3L total) and come with soft flasks (600ml or 1L). Look for a model with front pockets for easy access to phones and gels. The fit is crucial—use the adjustable straps to cinch the vest snugly but comfortably. If you prefer a reservoir, check out the Circuit with a hydration bladder instead.

What size soft flask comes with the Circuit vest?

Most Circuit vests include two 600ml soft flasks. Some models may include one 1L flask. Check the product description.

Is the Circuit vest good for marathons?

Yes, it's light and comfortable enough for race distances, and the flasks allow quick hydration without stopping.

Can I wear a backpack over the Circuit vest?

It's not recommended; the vest is designed to be a standalone hydration system. For larger loads, consider a pack like the Arete.

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