adidas Ultra Boost 21 Tokyo - UK 10.5

The Boost midsole is made of thousands of small energy capsules that capture and release energy with every step, providing superior cushioning and responsiveness compared to traditional foam.

Yes, the Primeknit upper is designed for durability and breathability, offering a flexible yet supportive fit that adapts to your foot's movement.

Yes, the comfort and stylish design make them suitable for walking, gym workouts, and casual everyday wear, though their primary design is for running.

Refer to the size chart and measure your foot. The UK size 10.5 is specified for this variant. Try them on if possible to ensure a comfortable, locked-in fit without being too tight or loose.

Warranty information typically varies by retailer and region. Please check the product packaging or the retailer's website for specific warranty details.

The Primeknit upper is breathable and water-resistant to some degree, but they are not fully waterproof. They are not designed for use in heavy rain or wet conditions.

Adjust the lacing system to achieve a more secure or relaxed fit. Ensure you have selected the correct shoe size. Consider using the extra eyelets for a more personalized lockdown.

While Boost technology is durable, performance may subtly decrease after extensive mileage. Cleaning the shoes can help maintain their responsiveness. If significant degradation occurs, it may be time to consider replacement.

Address small snags carefully with tweezers. For general cleaning, use a soft brush and mild soap as per care instructions. Avoid abrasive materials.