Catamount 3

RunRepeat found the Brooks Catamount 3 to have a cozier upper that enhances the overall fit, though breathability and durability could be better. iRunFar noted that the shoe's upper construction prioritizes flexibility, lightweight feel, and adaptability to various terrains, and they experienced a sense of security with their foot comfortably nestled in the shoe. Road Trail Run stated that the upper has the ease and comfort of a road shoe with extra overlays for security and protection, and that the toebox is roomy without being overly wide, although possibly narrow for wide-foot runners. RunRepeat also noted that the shoe has poor upper ventilation, while Road Trail Run found the upper to be very breathable.