Nike ACG Mountain Fly 2 Low Gore-Tex - Blue - Black - UK 13

While the Gore-Tex provides waterproofing, these shoes are primarily designed for hiking and protection from wet conditions. They are not heavily insulated for extreme cold.

No, machine washing is not recommended as it can damage the materials and the Gore-Tex waterproof membrane. Hand wash gently as described in the care instructions.

The best way to ensure the right fit is to try them on. Your heel should feel secure, with enough room in the toe box for your toes to wiggle slightly without your foot sliding forward when you walk downhill.

ACG stands for All Conditions Gear, Nike's line of apparel and footwear designed for outdoor exploration and variable weather.

The Gore-Tex membrane is durable and designed to last for the expected lifetime of the shoe when properly cared for. Regular cleaning helps maintain its performance.

Yes, the laces can be replaced. Ensure you select laces of a similar length and type to maintain the shoe's fit and functionality.

Ensure the shoe is properly laced and that no water is entering from the top opening. Check for any visible damage to the Gore-Tex membrane, though this is rare.

Clean the outsole thoroughly to remove any mud, dirt, or debris that might be hindering grip. Examine the tread pattern for excessive wear.

Verify you have the correct shoe size and width. Consider using aftermarket insoles for additional cushioning if needed. Ensure the laces are adjusted for a snug but not overly tight fit.