The design of a hardshell jacket centers on outdoor functionality, balancing protection and practicality. Fabrics typically use waterproof and breathable materials (such as ????-TEX), paired with sealed tape technology to prevent rain leakage. Structurally, it features a hood (adjustable for wind resistance), underarm ventilation zippers, and multiple pockets for organized storage. Details include Velcro cuffs, hem drawstrings and other windproof designs. Colors often adopt high saturation for easy outdoor identification, and some styles also undergo lightweight modifications to balance professional protection with daily wearing needs.