Cov khaub ncaws sab nrauv tuaj yeem muab faib ua peb hom: ris tsho hauv qab, cov khaubncaws sab nraud povtseg, thiab cov khaub ncaws sab nraud.
ris tsho hauv qab
Lub hom phiaj tseem ceeb ntawm cov ris tsho sab nraum zoov yog kom cov tawv nqaij qhuav. Yog hais tias hws evaporates ntawm daim tawv nqaij, nws yuav tshem tawm ib qho tseem ceeb ntawm lub cev kub, ua rau ib tug txias. Yog li ntawd, ris tsho hauv qab yuav tsum tau ua los ntawm cov hluavtaws fibers; tsis txhob hnav cov paj rwb ntshiab lossis cov ris tsho hauv qab ntshiab.
Lub luag haujlwm ntawm thermal ris tsho hauv qab yog tsim kom muaj huab cua hauv cov khaub ncaws. Cua yog qhov nruab nrab insulating zoo heev. Tom qab ib txheej huab cua yog tsim nyob rau hauv lub thermal underwear, cov cua txias los ntawm sab nraud yog cais los ntawm lub cev, yog li tswj lub cev kub.
Hnav khaub ncaws
Outerwear rau roob toj siab thiab kev ua si sab nraum zoov feem ntau yog hais txog cov khaub ncaws xws li cov tsho tsis muaj dej, cov ris tsis muaj dej, thiab cov tsho tiv nag. Lawv lub luag haujlwm tseem ceeb yog waterproofing, windproofing, thiab tsim kua muag. Nrog rau kev txhim kho thev naus laus zis, cov ntaub ntawv tsis muaj dej tsis zoo thiab ua tsis taus pa xws li GORE-TEX thiab FIRST-TEX tau tsim los rau cov tsho tsis muaj dej thiab cov ris tsho. Lub hauv paus ntsiab lus yog hais tias nyob rau hauv ib tug nyias zaj duab xis lub xeev, txoj kab uas hla ntawm pores nyob rau saum npoo yog precisely ntawm dej molecules thiab vapor molecules. Vapor molecules tuaj yeem dhau mus, thaum cov dej molecules raug thaiv, yog li ua tiav cov dej tsis zoo thiab ua pa.
