MLmelody leeinpelliot.hashnode.dev·Aug 27, 2025 · 4 min readThe Difference Between an Ordinary Jacket and a HardshellIn everyday city life, we often throw on a thin windbreaker or a raincoat when sudden rain or strong winds arrive. For commuting or running errands, that may be sufficient. But once you step into the mountains, where altitude increases and weather co...00