Puma | RS-FAST Shoe Size (UK):4 these Ultraboost 20 Shoes blend

these Ultraboost 20 Shoes blend the designer's unmistakable vision with high-performance running technology

the trainers feature energy-returning cushioning and an X-shaped Torsion Bar for extra stability

A bungee detail around the heel allows you to clip the shoes to any bag

The premium construction

Graphic details inspired by the Warner Bros

Puma | RS-FAST Shoe Size (UK):4 these Ultraboost 20 Shoes blendSometimes fashion just looks fast. These sci fi inspired trainers are bold and colourful because their nostalgic, retro design notes optimistically point to better days ahead. Stride into tomorrow with the RS Fast Trainers' unprecedented bold branding and highly visible graphics.