MPN: UNVERIFIED
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Legacy men's Sivera Styakush waterproof rain jacket named in the source video. The generation and size are not stated; source-video carried weight is 230 g. The linked archive page illustrates the 4.0 family but does not prove that the video jacket is specifically 4.0. No version-specific MPN, waterproof rating or factory weight is assigned. Source: https://sivera.ru/catalog/muzeu/muzhskaya_odezhda/2608/