Unverified80% confidenceDecision RuleTime unknown
运动型校服裤应选含4%-8%氨纶（弹力纤维）的针织面料，跑跳弯腰不勒；纯涤纶或纯棉梭织裤几乎无弹性，剧烈运动时易开裆或束缚，体育课频繁的年级应避免
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80%
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Long-term
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Unverified含4-8%氨纶的弹力面料裤子活动自由度明显优于纯棉或纯化纤，攀爬蹲起时不易崩线，适合运动量大的孩子日常穿86% similarUnverified真正用于运动的卫衣应选含4%-10%氨纶的针织面料保证拉伸回弹，纯棉卫衣拉伸后易变形且吸汗后干得慢，只适合休闲穿着不适合训练85% similarUnverified面料含氨纶（弹性纤维）3%-8%的针织弹性背带裤，横向拉伸率≥30%，比纯棉梭织款更适合爬行和学步阶段大幅度活动85% similarUnverified选择四面弹（4-way stretch）面料，含氨纶/弹性纤维3%-8%，运动裤下蹲和大跨步时不会绷紧膝盖或裆部；纯棉无弹面料活动受限，仅适合静态穿着85% similarUnverified训练运动卫衣优先选含4%-8%氨纶的针织面料，纯棉卫衣弹力差易变形塌垮，跑步瑜伽等大动作场景应避开100%纯棉83% similar
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