Unverified80% confidenceTradeoffTime unknown
透气性与防护覆盖面积权衡：通风孔越多越透气凉爽，但孔洞减少了外壳完整性和覆盖面积，炎热地区通勤优先多孔款，高强度速降/极限运动优先全包覆款
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