Soldiers utilize a combination of "layering" and "hygiene discipline" to prevent the debilitating effects of wet feet, such as trench foot or fungal infections. The first line of defense is moisture-wicking socks, typically made of Merino wool or synthetic blends, which pull sweat away from the skin. Soldiers often carry at least three pairs of socks: one on the feet, one dry in the pack, and one drying against their body heat inside their shirt. The second factor is the footwear; modern combat boots often feature Gore-Tex membranes that are waterproof yet breathable. However, in extremely wet environments where water might top the boot, soldiers use "foot powder" (antifungal) to reduce moisture and friction. A critical field technique is "foot checks," where soldiers are required to take off their boots during rest periods, dry their feet thoroughly (especially between the toes), and change into dry socks. In 2026, advanced "hydrophobic" coatings for boots and improved synthetic "liners" have further enhanced the ability of modern infantry to maintain foot health during prolonged operations in damp or snowy conditions.