Merrell Speed Strike 2 Ltr Mid Waterproof Men's Brown Boots Men's Boots J038073

Hello! If your son wears a size 42 in Cat Colorado boots, he can comfortably take a size 42 in this MERRELL Speed Strike 2 model. Since this model from MERRELL is a regular fit boot, your size in Colorado will be suitable here as well. Regarding waterproof, yes, this model comes with waterproof technology - it has a waterproof feature, you can comfortably use it in winter and wet conditions. The size and numbers of the product listed are available. If you want me to help with anything else 😊