Ua tib zoo saib cov ntsiab lus qis. Cov ntsiab lus qis thiab sau lub zog yog qhov tseem ceeb hauv kev txiav txim siab qhov zoo ntawm lub tsho down. Cov ntsiab lus qis ntawm 70% lossis siab dua yog feem ntau yog qhov zoo tagnrho, muab qee qib ntawm loft thiab softness. Lub zog puv cuam tshuam rau qhov sov sov ntawm lub tsho hauv qab thiab yuav tsum tau txiav txim siab raws li koj tus kheej xav tau.
Ua tib zoo mloog rau kev ua kom muaj zog. Ib qho kev sim yooj yim yog nias rau ntawm lub tsho fluffy down. Yog hais tias nws sai sai springs rov qab mus rau nws qub zoo tom qab tso tawm, nws qhia tau hais tias zoo down loft. Cov ntsiab lus qis qis, uas muaj qee yam ntawm cov feather fragments lossis crushed feathers, yuav ua rau tsis zoo resilience thiab hnyav. Sab nrauv thiab hauv ob sab phlu ntawm cov khoom lag luam yuav tsum tau qis dua - pov thawj; down cov khoom uas xau tom qab patted yog twv yuav raug hu tsis zoo.
Them mloog mus rau breathability. Thaum cov tsho hauv qab yuav tsum tsis txhob xau, lawv kuj xav tau qee qhov kev ua pa. Yog tias sab nrauv, hauv ob sab phlu, lossis sab hauv ntawm lub tsho hauv qab muaj qhov ua pa tsis zoo, noo noo yuav tsis tawg yooj yim thaum hnav, ua rau dampness thiab tsis xis nyob, thiab nws yuav nyuaj rau qhuav tom qab ntxuav.
Them mloog mus rau qhov tsis hnov tsw ntawm lub tsho down. Tsis txhob yuav cov tsho uas muaj zog, pungent tsw.