Quick answer
Choose a 1.5 TOG sleep bag for rooms between 68–75°F and a 2.5 TOG for cooler rooms between 61–68°F. If your nursery stays warm, start with 1.5 TOG; if it runs cool, 2.5 TOG is your go-to.
How TOG ratings work
TOG measures the thermal insulation of a sleep bag. The higher the TOG, the more warmth it traps. A 1.5 TOG bag is a versatile mid-weight option, while a 2.5 TOG is heavier and best for colder months. Your room temperature should guide your choice, not the season alone.
Layering and room temperature
If your baby sleeps in a cool room, a 2.5 TOG bag can reduce the need for extra layers. In warmer rooms, a 1.5 TOG bag lets you skip heavy pajamas. Always check your baby's temperature by feeling their chest or back, not their hands or feet. Adjust layers based on the bag's TOG and your room's actual temperature.
Decision rules for choosing TOG
- Room temperature 68–75°F: Choose a 1.5 TOG sleep bag. Pair with light pajamas to keep your baby comfortable without overheating. Keep the room in this range to use the 1.5 TOG bag safely.
- Room temperature 61–68°F: Choose a 2.5 TOG sleep bag. This provides enough warmth for cooler nights, and you can use standard cotton pajamas underneath. Avoid extra blankets; the 2.5 TOG bag is designed to replace them.
- Room temperature above 75°F: A 1.5 TOG bag may be too warm. Consider a lighter sleep bag or just a diaper and a thin onesie. Monitor your baby for sweating or flushed cheeks.
Product facts
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Sleep Bag Long Sleeve 1.5 TOG Cotton Olive Twigs: The Love to Dream™ Sleep Bag is a breathable, wearable blanket designed to stay in place, ensuring a stable temperature and peace of mind all night long. A 1.5 TOG bag is ideal for moderately warm rooms and helps maintain a consistent temperature without overheating.
Sleep Bag Long Sleeve 1.5 TOG Cotton Olive Twigs
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Sleep Bag Long Sleeve 2.5 TOG Cotton Storm Blue Pebbles: The Love to Dream™ Sleep Bag is a breathable, wearable blanket designed to stay in place, ensuring a stable temperature and peace of mind all night long. The 2.5 TOG option provides extra warmth for cooler rooms, so you can rely on the bag itself instead of piling on blankets.
Sleep Bag Long Sleeve 2.5 TOG Cotton Storm Blue Pebbles
Who should choose which TOG?
Best for
- 1.5 TOG: Babies sleeping in rooms kept between 68–75°F, or parents who prefer a versatile mid-weight bag for most of the year.
- 2.5 TOG: Babies in cooler rooms (61–68°F) or those who sleep in air-conditioned spaces during summer.
Not for
- 1.5 TOG: Not for very cold rooms below 68°F unless you add warmer pajamas.
- 2.5 TOG: Not for warm rooms above 75°F as it can cause overheating.




