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What is a TOG Rating?

So, what does TOG actually stand for?

TOG stands for 'Thermal Overall Grade'. It is a measure of thermal resistance of a unit of area, also known as thermal insulance. Essentially it is a measurement that can show how much a particular fabric insulates.

Why is there a TOG ratings system?

Baby sleep bags / wearable blankets are a popular alternative to traditional blankets and sheets and remove the need for additional bedding when sleeping in a cot or similar product.

TOG ratings were introduced in an effort to reduce the incidence of Sudden Infant Death Syndrome, known as SIDS or 'Cot Death'. They are designed to keep children of 4 kg or more at a comfortable temperature through the nights and, as opposed to adult sleeping bags, they are intended for indoor use only.

Baby sleep bags are given a TOG rating according to the warmth they provide.

How does the TOG rating system work?

The higher the TOG value, the greater is the thermal insulation provided.

Whilst a TOG value is directly related to mass per unit area and thickness, the relationship is not linear. It does not therefore follow that an increase in weight or thickness will result in a proportional increase in thermal resistance.

To help parents understand which sleep bag TOG values are right for differing room temperatures, a set of guidelines has been established as per below:

< 1.0 TOG - room temperature 24 °C to 27 °C

1.0 to 2.0 TOG - room temperature 20 °C to 23 °C

2.0 to 3.5 TOG - room temperature 10 °C to 20 °C

The BS 8510 standard describes the TOG test method for baby sleep bags - whose purpose is to ensure that the product prevents babies from overheating during their sleep.

Please note: It is really important that you take into account all external factors when determining which TOG rating sleeping bag should be used. These external factors include but are not limited to: The type and quantity of clothing that the baby has on, the baby's general health and wellbeing, the temperature of the babies bedroom and if this may change throughout the night or day. All these factors may vary in the same way as it does for adults.

It is important to check your baby regularly to ensure that they are comfortable and that they do not overheat.

Source: http://www.bureauveritas.co.uk/AkwFGNHS/Tog+Testing+Service+Sheet.pdf

These are real reviews from real Love To Dream customers
134 Reviews
  • Site Reviews
  • Product Reviews
H
Verified Buyer
05/17/2016
Love it!
Love it!
On Nuzzlin™ 2.5 TOG Sleep Bag - ON SALE NOW
R
Verified Buyer
05/15/2016
Cute, comfy sleep bag
A quality made product- super soft, handles machine washing well. Bub never sleeps without one and knows it's nap time when he sees it!
On Inventa™ 1.0 TOG Sleep Bag
N
Verified Buyer
05/13/2016
Brilliant Products!
We've been using the Love To Dream products for a while, through each of the stages. We love the Inventa sleeping bags, and have used each of the different TOGs. The 1.0 TOG is a great all-rounder for the in between seasons. We love the travel slots, the press studs to adjust the length and the cooling vents. It looks like you guys are discontinuing the Inventas and replacing with the Nuzzlin sleeping bags in each of the TOGs. Please don't! The Inventa are much better with their extra details!
On Inventa™ 1.0 TOG Sleep Bag
L
Verified Buyer
05/13/2016
Amazing!
My son gets quite hot when he sleeps but then come early morning cold - very hard to keep his temperature comfortable. We love the option of the breathable zippers to help regulate the temperature. Not to mention he loves 'getting into his sleeping bag'! Thank you, our 3rd Love To Dream product we are 100% satisfied with!
On Inventa™ 2.5 TOG Sleep Bag
C
Verified Buyer
05/12/2016
Great product!
A bit on the expensive side, but a great product that my baby boy loves
On Swaddle UP™ Organic