adidas UltraBoost 1.0 - Black - UK 6.5

The adidas UltraBoost 1.0 offers excellent cushioning and responsiveness, making it suitable for daily runs, light training, and comfortable for recovery runs. While versatile, for highly specialized or competitive running training, you might consider shoes specifically designed for those intense purposes.

To clean the PRIMEKNIT upper, gently brush off any loose dirt. For stains, use a soft cloth or sponge with a mild soap solution (e.g., diluted dish soap). Lightly dab or wipe the area, then wipe clean with a damp cloth. Always air dry away from direct heat or sunlight.

BOOST technology is a revolutionary midsole material developed by adidas. It consists of thousands of small thermoplastic polyurethane (TPU) energy capsules that are fused together. This provides incredibly soft cushioning and a high energy return, giving a 'spring in your step' and making the shoe highly responsive and comfortable.

The Continental Rubber outsole provides excellent grip in various conditions, including wet surfaces. However, the PRIMEKNIT upper is a textile material and is not waterproof, meaning your feet may get wet in heavy rain. For optimal performance in wet conditions, consider shoes with water-resistant or waterproof uppers.

Parley Ocean Plastic refers to recycled plastic waste that was intercepted on remote islands, beaches, coastal communities, and shorelines, preventing it from polluting our oceans. The yarn in the UltraBoost 1.0's upper contains at least 50% Parley Ocean Plastic and 50% recycled polyester, contributing to a more sustainable product.

The adidas PRIMEKNIT upper is designed to provide an adaptive, sock-like fit that molds to the foot for comfort. Most users find this incredibly comfortable and supportive. However, individual foot shapes and preferences vary; some might prefer a more structured upper. It's best to try them on to ensure the fit is right for you.

Adjust the lace closure. Ensure laces are evenly tightened across the foot. The PRIMEKNIT upper is designed to adapt, so minor initial snugness may ease with wear. For persistent discomfort, ensure you have the correct size.

Check the Continental Rubber outsole for embedded debris or excessive wear. Clean the outsole regularly with a brush and water to remove dirt and maintain optimal grip. If the tread is significantly worn, traction will naturally decrease over time.

Squeaking can sometimes be caused by friction between the insole and the shoe's internal base. Try removing the insole, cleaning both surfaces, and then reinserting it. A thin layer of baby powder under the insole can also sometimes resolve this. If the squeak persists, it might be due to trapped moisture or a manufacturing anomaly.