【Appropriate Temperature】The rated temperature of this sleeping bag is 26℉/-3℃ ~ 54℉/12℃, and the comfort temperature is 44℉/7℃ ~ 54℉/12℃.The rated minimum temperature is 26℉/-3℃ 【Combination】A left and a right sleeping bag can be zipped together to make a double-sized sleeping bag and incorporates a comfortable sleep system. 【Two-Way Zipper】With two-way separating zip on one side, it will be very convenient for you to get in or out of the sleeping bag. You can also adjust the ventilation level and temperature of the sleeping bag by your preferences. The zipper baffle will make the zipper goes well. 【Multifunctional】This sleeping bag for adult is ideal for activities such as outdoor camping, hiking, sleepovers, family visits, and other situations where there are not enough beds for everyone.