Ubwoya bwa polar ni umwenda utandukanye ukoreshwa cyane kubera ibyiza byinshi nibikorwa. Ni umwenda ukenewe cyane kubwimpamvu nyinshi nkigihe kirekire, guhumeka, ubushyuhe nubwitonzi. Kubwibyo, abahinguzi benshi bakoze ubwoko butandukanye bwubwoya bwa polar kugirango babone ibyo abakiriya bakeneye.
Ubwoya bwa polar ni umwenda wubukorikori bukozwe muri fibre polyester. Imico yihariye ituma biba byiza amakoti, ibiringiti n'imyambaro. Igitambara kiroroshye cyane, cyoroshye kandi cyoroshye kwambara, bigatuma biba byiza mubihe bikonje.
Kimwe mu byiza bizwi cyane byubwoya nubushobozi bwacyo bwo kugumana ubushyuhe. Imyenda ihanitse cyane yerekana ko ifata ubushyuhe bwumubiri wawe, bikagufasha kumererwa neza no mubushuhe bukonje. Ikirenze ibyo, ubwoya bwa polar burahumeka, butuma umwuka unyuramo kugirango wirinde ibyuya nubushuhe kwiyongera. Iyi mico idasanzwe ituma ubwoya bwa polar bukundwa cyane kubakunda hanze hamwe nabakinnyi. 
