The Adidas Ultra Boost 1.0 combines a sleek Primeknit upper with the revolutionary Boost midsole, delivering exceptional energy return and all-day comfort. Ideal for casual runners and streetwear enthusiasts, the B27171 offers a snug, sock-like fit that adapts to your foot's natural movement, making it perfect for both daily training and lifestyle wear.
**Key Features:**
- **Primeknit Upper**: Provides a seamless, adaptive fit that enhances breathability and flexibility.
- **Boost Cushioning**: High-energy-return foam absorbs impact and propels you forward with every stride.
- **Stretchweb Outsole**: Flexible rubber sole that expands and contracts for natural, unimpeded motion.
- **Heel Counter**: External TPU cage locks the heel in place for stability and support.
Available in a full range of sizes from 36 to 46 to suit every runner.
Size Charts
