Yes — 0.5 TOG is built specifically for warm summer nurseries (75–81°F). For households without central AC, top-floor bedrooms, or south-facing rooms, this is the right weight from late spring through early fall.
Can a newborn wear a 0.5 TOG sleep sack?
Yes, once the baby has transitioned out of the arms-in swaddle phase (8–16 weeks, when the baby shows signs of rolling). The 0–6M size fits 8–18 lb. Always size to weight, never to age.
Is muslin better than fleece for summer sleep?
Yes. Fleece traps heat. Muslin moves humidity off the baby's skin and keeps the temperature stable. Fleece sleep sacks belong in cold-nursery use cases (61–68°F); muslin belongs in warm-nursery use cases (75–81°F).
What's the difference between 0.5 TOG and 1.0 TOG?
0.5 TOG is half the warmth rating of 1.0 TOG and is built for 75–81°F nurseries. 1.0 TOG is the year-round weight for 69–75°F nurseries. Match the bag to the room temperature, not to the season.
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