Saucony - Triumph 23 GTX - Black - Size UK 9

While designed for running, their comfort and waterproof features make them suitable for casual wear in wet conditions. However, for optimal longevity of the running-specific features, it's best to use them primarily for their intended purpose.

GORE-TEX Invisible Fit integrates the waterproof membrane directly into the shoe's construction, creating a durable, flexible, and highly breathable barrier against water while maintaining a comfortable, sock-like feel.

The XT-900 outsole provides good traction suitable for light trails. For technical or muddy trails with significant obstacles, dedicated trail running shoes with more aggressive lug patterns might be preferable.

Ensure there is a thumb's width of space between your longest toe and the end of the shoe when standing. The fit should be snug in the heel and midfoot, with enough room in the forefoot for natural toe splay.

The GORE-TEX membrane is breathable, but in very hot and humid conditions, they may feel warmer than non-waterproof running shoes due to the added waterproof layer. For extreme heat, lighter, more ventilated shoes might be more comfortable.

The GORE-TEX membrane is designed for durability. With proper care and avoiding extreme abuse, the waterproofing should remain effective for the typical lifespan of a running shoe, usually between 300-500 miles (500-800 km) of running.

Ensure laces are tied securely to prevent water ingress from the top. Check for any tears or damage to the GORE-TEX membrane. The dampness could also be due to sweat in very warm conditions, as the breathability has limits.

Inspect the XT-900 outsole for excessive wear or embedded debris. Clean the outsole thoroughly. If the shoe is significantly worn, consider replacement for optimal grip.

Ensure you have the correct size and fit. The GORE-TEX lining might feel different initially; allow for a break-in period. Consider trying different sock thicknesses.