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bluesign® approved goose down carefully sorted from the breast and underbelly
rds certification ensures a controlled and traceable system to verify down source
from well-known global goose down sources, including china, poland and hungary

while the down content benchmark of a down jacket is 50%, each bosideng down jacket offers a 90% down content.
while the fill power benchmark of a down jacket is 480 , bosideng uses up to 5a level down with 1000 fill power
a global leader in down quality

much smaller pinholes offered by professional german needle
anti-leakage sewing technique with 13 stitches per 3 cm
ultra-light liner using high-density super-thin fibers to prevent down seepage