The best lightweight coat for layering is from Uniqlo
Uniqlo + Ultra Light Down Compact Jacket
UNIQLO Global on Instagram: "Ultra. Light. Down. The super-light down jacket with the name that says it all. Layer it under your coat, wear it alone, or take it with you in
Ultra Light Down Jacket (2020 Edition) | UNIQLO US
Uniqlo Ultra Light Down Compact Jacket Review 2018 | The Strategist
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Ultra Light Down Compact Jacket | UNIQLO
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