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市(shi)面上的防(fang)(fang)(fang)潮(chao)墊(dian)種類不(bu)(bu)(bu)(bu)少，采(cai)購(gou)前了解一下(xia)(xia)它們的特(te)點并不(bu)(bu)(bu)(bu)費時(shi)。充(chong)氣墊(dian)(AirMattresses)：優(you)點：不(bu)(bu)(bu)(bu)用(yong)(yong)說(shuo)(shuo)，肯定(ding)舒(shu)服(fu)，而且可(ke)調(diao)節柔(rou)軟度，價錢(qian)也(ye)不(bu)(bu)(bu)(bu)貴。缺點：太重(zhong)(zhong)、太大、而且容易弄(nong)破。空氣墊(dian)也(ye)不(bu)(bu)(bu)(bu)能(neng)(neng)提供良(liang)好的保溫(wen)。此外(wai)，對肺活量也(ye)有(you)很大的要(yao)求。(需(xu)用(yong)(yong)嘴來吹氣。)開放氣室式(Open-cellFoamPads)：由一種象海面一樣(yang)的泡(pao)沫材料制(zhi)成(cheng)。優(you)點：比充(chong)氣式更舒(shu)適(shi)、重(zhong)(zhong)量更輕、更便(bian)宜(yi)、更保暖(nuan)(nuan)。而且較(jiao)重(zhong)(zhong)、壓縮性(xing)(xing)也(ye)較(jiao)差(不(bu)(bu)(bu)(bu)宜(yi)攜帶)、使(shi)用(yong)(yong)壽命也(ye)較(jiao)短。 首先(xian)必須考(kao)慮(lv)(lv)暖(nuan)(nuan)度、重(zhong)(zhong)量、舒(shu)適(shi)度、耐用(yong)(yong)性(xing)(xing)和大小等依次重(zhong)(zhong)要(yao)。其(qi)次要(yao)考(kao)慮(lv)(lv)個(ge)人的主要(yao)用(yong)(yong)途。一個(ge)戶(hu)外(wai)愛好者可(ke)能(neng)(neng)會擁有(you)適(shi)應不(bu)(bu)(bu)(bu)同(tong)環境的幾(ji)種防(fang)(fang)(fang)潮(chao)墊(dian)。就(jiu)象買其(qi)他東西(xi)(xi)一樣(yang)，購(gou)買戶(hu)外(wai)裝備(bei)有(you)時(shi)也(ye)會讓后悔，因(yin)為(wei)實在(zai)有(you)太多的東西(xi)(xi)需(xu)要(yao)考(kao)慮(lv)(lv)，對每(mei)一樣(yang)東西(xi)(xi)都會有(you)很多要(yao)求，而在(zai)大部分情況下(xia)(xia)，所有(you)的要(yao)求不(bu)(bu)(bu)(bu)可(ke)能(neng)(neng)同(tong)時(shi)得(de)到滿足。選(xuan)擇防(fang)(fang)(fang)潮(chao)墊(dian)也(ye)一樣(yang)，有(you)許多需(xu)要(yao)考(kao)慮(lv)(lv)：絕緣性(xing)(xing)(隔(ge)絕身(shen)體與(yu)地面熱交換(huan)的能(neng)(neng)力)舒(shu)適(shi)性(xing)(xing)重(zhong)(zhong)量、體積耐用(yong)(yong)性(xing)(xing)從以上條件中做出選(xuan)擇對來說(shuo)(shuo)很重(zhong)(zhong)要(yao)，而考(kao)慮(lv)(lv)一下(xia)(xia)戶(hu)外(wai)計劃(hua)可(ke)能(neng)(neng)對很有(you)幫助。最后，一些附屬設計可(ke)能(neng)(neng)會影響決定(ding)。比如(ru)，一些防(fang)(fang)(fang)潮(chao)墊(dian)有(you)多重(zhong)(zhong)可(ke)充(chong)氣氣室，使(shi)得(de)防(fang)(fang)(fang)潮(chao)墊(dian)的厚度更容易調(diao)節；多個(ge)墊(dian)子可(ke)拼接一起；通過配件可(ke)將充(chong)氣墊(dian)改成(cheng)椅(yi)子；等等。