Sport bands remain the most practical choice for workouts and swimming thanks to their sweat resistance and quick-dry material, while leather and metal bands suit office or formal settings.
Band material affects skin comfort during long wear; silicone can trap moisture in humid climates, which is worth considering for all-day wearers.
Because Apple Watch bands use a standardized attachment mechanism, third-party bands offer significant savings without sacrificing fit, though build quality varies widely between manufacturers.