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You need to have the right baby sleeping sack if you will like your baby to stay comfortable during summer and winter. In winter you will tend to experience low temperatures, this makes it necessary for you to buy a sleeping sack which will keep the baby warm. During summer, it will become too hot; this makes it necessary to look for a sleeping bag which will make the baby stay at room temperature. The materials used in making the baby sleep sack should be easily breathable. This is to avoid danger of suffocation if the baby will accidentally cover his head during sleep. The baby sleep bags will come in different colors and sizes; it is up to you to assess the different sleeping bags available so that you will decide don one which will assure you great success when sleeping.

What to consider when buying a baby sleep sack for winter or summer

Wash and care instructions

There are some baby sleep sacks which are machine washable. You will save time if you will buy such sleeping bags. It is always necessary for you to take time and read the washing instructions of the sleeping bag before you buy it. It is always necessary for you to buy one which you will easily meet its washing instructions. This is necessary because failure to follow the instructions, the sleeping bag may not serve your baby well. Remember you should always ensure the baby sleeps in a clean sleeping bag.

Baby comfort

You need your baby to always sleep comfortably. You need to go for a sleeping bag which is specifically made to make your baby achieve the best room temperature during summer or winter. The zips and buttons should be installed in such a way they will not exert too much pressure on the baby after he turns and lands on them. You should also check on the materials used in making the baby sleeping bags. If possible you should go for sleeping bags made out of all natural materials.


In the first 6 months babies grow first. In order to avoid cases where the baby sleeping bag will fail to serve your baby for your intended period of time, you should specify the age bracket of the baby you are about to buy a sleeping bag for. You will find most manufacturers categorizing the sleeping bags in ages. You can have one rated between the ages of 0-6 months, 6-18 or 18-36 months. You should always read the product size guides before buying so that you will buy the right product for your baby. 

Sealing Options for baby sleep sack

The right baby sleeping bag should have a secure seal and side zippers to create a flexible seal where a parent can open the whole bag to the foot area to change the baby diaper. You can check on the design and see whether it is easy to open up before you buy. Buckles or snap buttons will make it easy when trying to change the baby diaper.

Sizing Charts

Zipadee Zip

Small 3-6 months 24-28 inches ~12-19lbs
Medium 6-12 months 29-32 inches ~19-26lbs
Large 12-24 months 33-40 inches ~26-34lbs

Flying Squirrel PJs

12-24m 1-3 years up to 39 inches ~26-34lbs
2/3T 3-6 years up to 48 inches ~34-49lbs
4/5T 6-10 years up to 56 inches ~49-87lbs