Ultrafly 4 Wide Calf Rise: Mid Rise - Sits

Rise: Mid Rise - Sits at or just below Belly Button

hard-wearing synthetic material Birko-Flor® in a sophisticated nubuck look which boasts a texture and color that could almost be mistaken for real leather

BirkoCork: a cork & EVA foam construction provides flexibility and absorbs impact shock

25% lighter than our 24 oz and 32 oz wide mouth bottles means this lightweight stainless steel bottle weighs less so you can do more

Ultrafly 4 Wide Calf Rise: Mid Rise - SitsThe best version yet of our fan favorite all purpose daily trainer has landed, now featuring even more comfort and more sustainable materials. The sleek and comfortable upper features a recycled engineered mesh and our signature roomy toe box. The ZipFoam midsole delivers lightweight resilience and response, while an external TPU heel counter and EVA medial post offer light guidance. Perfect for those seeking light pronation support with a smooth and