（1）瑪咪式又叫mummy式或木乃伊式，這種睡袋肩寬腳窄，肩部寬度一般75到85公分，腳步寬度 35到45公分。瑪咪式睡袋是同樣重量下能夠達到好保暖效果的睡袋形狀，適合寒冷季節使用；
(1) Mammy style, also known as Mummy style or Mummy style, is a sleeping bag with wide shoulders and narrow feet. The shoulder width is generally 75 to 85 centimeters, and the foot width is 35 to 45 centimeters. The Mami style sleeping bag is a sleeping bag shape that can achieve good warmth retention under the same weight, suitable for use in cold seasons;
（2）信封式睡袋顧名思義，肩布和腳部一樣寬，像個信封，這樣的睡袋比較寬松，適合夏暖季節和體形寬大的人士；
(2) As the name suggests, the envelope style sleeping bag is as wide as the shoulder cloth and feet, resembling an envelope. This type of sleeping bag is relatively loose and suitable for people with warm summer seasons and a large body shape;
（3）混合型睡袋式前兩者的結合，大部分是信封睡袋加上一個瑪咪式的帽子。
(3) The combination of the first two in the hybrid sleeping bag style is mostly an envelope sleeping bag with a Mami style hat.
國際流行的睡袋是小方帽，人體流線型（寬的部位不在領口，而在肩肘部）。以前的大圓帽既增加重量，又不利于保暖。有人把這種新款睡袋稱為“啤酒桶”，也有人把它稱為“蠶繭式”，其實都不過是前兩種睡袋的異化，它在設計上吸取了前兩款睡袋的優點，擯棄了前二者的不足，在攜帶及使用的舒適性上都有了很大的提高。
The internationally popular sleeping bag is a small square hat with a streamlined body shape (the wide part is not at the collar, but at the shoulders and elbows). The previous round hat not only increased weight but also was not conducive to warmth preservation. Some people refer to this new type of sleeping bag as a "beer bucket", while others refer to it as a "cocoon style". In fact, it is just a differentiation of the first two types of sleeping bags. It draws on the advantages of the first two types of sleeping bags in design, discards the shortcomings of the first two, and greatly improves the comfort of carrying and using.
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