Puma | RS-FAST Shoe Size (UK):4 The premium construction

The premium construction

A lightweight EVA midsole gives them all-day wearability

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

These women's shoes flash colorful rainbow stitching on the smooth leather upper

The soft knit textile upper is detailed with subtle 3-Stripes and bold patch overlays

Puma | RS-FAST Shoe Size (UK):4 The premium constructionSometimes 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.