市(shi)面(mian)上的(de)(de)(de)防(fang)(fang)潮墊(dian)(dian)種(zhong)類(lei)不少,采購前(qian)了(le)解一(yi)(yi)(yi)下(xia)它們的(de)(de)(de)特點(dian)(dian)(dian)并不費(fei)時(shi)(shi)。充氣(qi)墊(dian)(dian)(AirMattresses):優點(dian)(dian)(dian):不用(yong)(yong)說,肯定(ding)舒(shu)服,而(er)且可(ke)(ke)調節柔(rou)軟度(du)(du),價錢也(ye)(ye)不貴。缺點(dian)(dian)(dian):太重、太大(da)、而(er)且容(rong)易弄破(po)。空氣(qi)墊(dian)(dian)也(ye)(ye)不能提供良好的(de)(de)(de)保溫(wen)。此外,對(dui)肺活(huo)量(liang)也(ye)(ye)有很大(da)的(de)(de)(de)要(yao)求(qiu)。(需用(yong)(yong)嘴來(lai)(lai)吹氣(qi)。)開放氣(qi)室式(Open-cellFoamPads):由一(yi)(yi)(yi)種(zhong)象海面(mian)一(yi)(yi)(yi)樣(yang)的(de)(de)(de)泡沫材(cai)料制成。優點(dian)(dian)(dian):比充氣(qi)式更(geng)舒(shu)適、重量(liang)更(geng)輕、更(geng)便宜(yi)、更(geng)保暖。而(er)且較(jiao)(jiao)(jiao)重、壓縮性(xing)(xing)也(ye)(ye)較(jiao)(jiao)(jiao)差(不宜(yi)攜帶)、使(shi)用(yong)(yong)壽(shou)命也(ye)(ye)較(jiao)(jiao)(jiao)短。 首先必須考(kao)(kao)(kao)慮暖度(du)(du)、重量(liang)、舒(shu)適度(du)(du)、耐用(yong)(yong)性(xing)(xing)和大(da)小等依次重要(yao)。其次要(yao)考(kao)(kao)(kao)慮個(ge)人的(de)(de)(de)主要(yao)用(yong)(yong)途(tu)。一(yi)(yi)(yi)個(ge)戶外愛好者可(ke)(ke)能會(hui)擁有適應不同(tong)環(huan)境(jing)的(de)(de)(de)幾(ji)種(zhong)防(fang)(fang)潮墊(dian)(dian)。就象買(mai)其他東(dong)西一(yi)(yi)(yi)樣(yang),購買(mai)戶外裝備(bei)有時(shi)(shi)也(ye)(ye)會(hui)讓(rang)后(hou)悔,因為(wei)實(shi)在(zai)有太多(duo)的(de)(de)(de)東(dong)西需要(yao)考(kao)(kao)(kao)慮,對(dui)每一(yi)(yi)(yi)樣(yang)東(dong)西都會(hui)有很多(duo)要(yao)求(qiu),而(er)在(zai)大(da)部(bu)分(fen)情(qing)況下(xia),所(suo)有的(de)(de)(de)要(yao)求(qiu)不可(ke)(ke)能同(tong)時(shi)(shi)得(de)到滿足。選擇防(fang)(fang)潮墊(dian)(dian)也(ye)(ye)一(yi)(yi)(yi)樣(yang),有許多(duo)需要(yao)考(kao)(kao)(kao)慮:絕緣(yuan)性(xing)(xing)(隔絕身體(ti)與地面(mian)熱交換的(de)(de)(de)能力)舒(shu)適性(xing)(xing)重量(liang)、體(ti)積(ji)耐用(yong)(yong)性(xing)(xing)從以(yi)上條件中做出選擇對(dui)來(lai)(lai)說很重要(yao),而(er)考(kao)(kao)(kao)慮一(yi)(yi)(yi)下(xia)戶外計劃(hua)可(ke)(ke)能對(dui)很有幫助。最后(hou),一(yi)(yi)(yi)些(xie)附屬(shu)設計可(ke)(ke)能會(hui)影響決(jue)定(ding)。比如,一(yi)(yi)(yi)些(xie)防(fang)(fang)潮墊(dian)(dian)有多(duo)重可(ke)(ke)充氣(qi)氣(qi)室,使(shi)得(de)防(fang)(fang)潮墊(dian)(dian)的(de)(de)(de)厚度(du)(du)更(geng)容(rong)易調節;多(duo)個(ge)墊(dian)(dian)子可(ke)(ke)拼接一(yi)(yi)(yi)起;通過配件可(ke)(ke)將充氣(qi)墊(dian)(dian)改成椅子;等等。