Shoe Science says about Rocket X3 Rocket X3 is a unisex road racing shoe designed for speed and performance Road - Race day / Tempo Rotation - Clifton (everyday) , SpeedGoat (Trail) Forward transition - 7/10 Dynamic stability - 7/10 Dynamic cushioning - 8/10 Many shoes will have a very similar profile yet perform differently for different people. We recommend an in-store fitting for a new style and online for the 'tried and true'. Key Stats Width - Std is standard width Weight - 210 gms Rear stack - 40 mm Forefoot stack - 33 mm Offset - 7 mm Carbon plate - Yes Hoka says Pace-pushing propulsion for pb chasers Built for achieving your personal best, the Rocket X 3 delivers a carbon-fiber super shoe that doesn’t skimp on support. Maintaining the same responsive, high-performance foam as its predecessor, we’ve updated our pace-pushing carbon fiber plate with new winglets and employed a sticky rubber outsole to inspire confidence in variable conditions. Enlisting a single-layer engineered mesh upper for enhanced breathability and stitch-and-turn collar to help mitigate blisters, we’ve removed the gusset for easier entry.