Unverified80% confidenceDecision RuleTime unknown
作为中间层叠穿的防污马甲，胸围应比常规同码大4-6cm留出内搭空间，且袖窿要深，否则套在厚卫衣/抓绒外会勒肩、限制手臂活动
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Unverified作为内搭中层的背心应选修身版型且袖窿(armhole)开口大，避免叠穿在毛衣外时胸部堆积臃肿，肩线不宜过宽86% similarUnverified护胸板尺寸应覆盖胸骨到肋弓下缘，过短无法保护软肋区。选购时按胸围和身高选码，硬壳款尤其需预留内衬空间避免顶胸84% similarUnverified肩带宽度≥5cm且带海绵加厚，可分散压强避免勒肩；配合胸扣（防止肩带滑脱）和腰封（转移重量到胯部）三点承托才算真正减负设计84% similarUnverified肩带需为立体减压设计且宽度≥6cm，配合可调节胸扣和腰封；胸扣位置应能在锁骨下方2-3cm处固定，才能把重量从肩部转移到躯干核心84% similarUnverified颈肩、腰部等活动部位选带异形剪裁+弹力布基材的产品，粘胶宽边≥1.5cm才不易脱落；平坦部位（腹部、后背）普通方形贴即可83% similar
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