ASICS Gel - Kayano 20 Blue Neptune / Black Trainers Size 3

Yes, the Gel-Kayano 20 was originally recognized for its structural cushioning capabilities, making it well-suited for longer distances like marathons.

There should be about a thumb's width of space between your longest toe and the end of the shoe when standing. The fit should be snug but not constricting in the midfoot and heel.

The Gel-Kayano 20 offers good support and cushioning, making them suitable for general gym activities. However, for highly specific training (e.g., heavy lifting), dedicated training shoes might be more appropriate.

The Fluidfit cage is a TPU application designed to provide targeted support and a secure, adaptable fit that conforms to your foot like a glove.

For runners, it's generally recommended to replace shoes every 300-500 miles (480-800 km) or when cushioning and support feel diminished. For everyday wear, they should last longer but assess based on wear and tear.

No, the ASICS Gel-Kayano 20 trainers are not waterproof. They are designed for breathability and performance, which means they are not sealed against water.

The GEL technology is integrated into the midsole and requires no specific maintenance beyond standard shoe care. Ensure the shoes are kept clean and dry.

Ensure you have selected the correct size. Try wearing thinner socks or loosen the laces. If the issue persists after a break-in period, consider a half-size larger or a wider fit option if available.

Clean the shoes as per care instructions. If the cushioning has significantly degraded, it may be time to consider replacing the shoes, as cushioning components have a finite lifespan.

Verify the lacing technique is appropriate for your foot type. Ensure the shoes are suitable for your running gait. Consult a running specialist if discomfort persists.

This can sometimes occur due to moisture or friction between components. Try ensuring the shoes are completely dry. If the noise persists, it might be a manufacturing anomaly.