Sleep Tog Guide

Enter room temperature to get a recommended sleep sack TOG and layers — adjusted for age, rolling status, and sleeper profile (runs warm/cool).

https://devonwheels.com/tools/sleep-tog-guide/embed

About the TOG & Room Temperature Guide

The TOG & Room Temperature Guide helps you choose the right sleep sack TOG rating and clothing layers for your baby based on room temperature. Proper layering supports safe sleep, prevents overheating, and keeps your baby comfortable.

How It Works

Select temperature units (°C/°F) and enter the room temperature.
Choose your baby’s sleeper profile (Runs cool / Average / Runs warm).
Enter age and whether your baby is rolling.
Get the recommended TOG rating, layering suggestions, and safe alternatives.

Adjust up or down by one thin layer depending on your baby’s cues.

Quick Reference Chart (°C)

Room temp	Sleep sack TOG	Example layers
≤16°C	3.0 TOG	LS bodysuit + footed PJs + 3.0 TOG sack
16–18°C	2.5 TOG	LS bodysuit + 2.5 TOG sack
18–20°C	2.0 TOG	LS PJs + 2.0 TOG sack
20–22°C	1.5 TOG	LS bodysuit + 1.5 TOG sack
22–24°C	1.0 TOG	SS/LS bodysuit + 1.0 TOG sack
24–26°C	0.5 TOG	SS bodysuit + 0.5 TOG sack
26–28°C	0.2 TOG	SS bodysuit + 0.2 TOG sack (optional)
>28°C	No sack	Diaper + SS bodysuit

Age & Rolling Adjustments

Newborns (0–8 w): may need slightly more insulation (+0.2 TOG).
Rolling babies (6+ m): prioritize breathable, lighter fabrics (−0.2 TOG) and no swaddle.

Example Scenarios

21.5°C • Average • 2–6 mo • Not rolling → 1.5 TOG + LS bodysuit.
24.0°C • Runs warm • 6–12 mo • Rolling → 0.5 TOG (or 0.2) + SS bodysuit.