Adidas Performance Climacool Trainers - Grey Four/ Core Black/ Grey Four - UK 8.5

Climacool technology is adidas's system for enhancing ventilation. It uses breathable materials and an open construction to allow air to circulate freely around the foot, keeping it cool and dry.

While comfortable for casual runs, these trainers are primarily designed for training, daily wear, and shorter distances. For dedicated long-distance running, specialized running shoes might offer more targeted cushioning and support.

The upper is constructed from durable synthetic materials designed for breathability and longevity.

You can clean the exterior by wiping with a damp cloth. Avoid machine washing or submerging the shoes in water, as this can damage the materials and construction.

Cold Cement construction refers to a method of bonding the sole to the upper using adhesives that are cured at lower temperatures. This technique generally results in a more durable and long-lasting bond.

While marketed towards men, the 'Unisex' variants in the Climacool line are available in smaller sizes suitable for women. Check the specific size guide for unisex options.

The '4D' designation in some adidas models refers to a specific midsole technology offering advanced cushioning and stability. However, based on the provided description, these 'Climacool 4D' trainers focus on breathability and durability with a standard construction rather than a 4D-printed midsole.

Ensure socks are made of moisture-wicking material. Check that laces are not tied too tightly, restricting airflow.

Clean the outsole to remove any debris. The synthetic outsole performs best on dry, even surfaces. Consider the intended use; these are not specialized trail running shoes.

Adjust lacing for a tighter fit. Consider using thicker socks or an insole if the regular fit is consistently too broad for your foot.