Grows With You 1.0 TOG Bundle: Which Pieces Fit Which Stage?
By ergoPouch: Sleeping Bags, Swaddles & Sleepwear for Babies ... | Published: 2026-11-01
Category: Buying Guides
The Grows With You 1.0 TOG Bundle pairs a Cocoon Swaddle Bag with a Sleeping Bag for two stages of sleep. Here's how to decide if it fits your baby's next few months.
Quick answer
Buy the Grows With You 1.0 TOG Bundle if you want one purchase that covers both the swaddled newborn stage and the arms-free rolling stage in a 1.0 TOG warmth level. Skip it if your baby is already rolling or if you need a warmer or cooler TOG for your room.
Why two pieces beat one bag for the first year
A single sleep bag can't do both jobs well: newborns often settle better with arms contained, while babies who can roll need free arms for safety and movement. The bundle splits those jobs into two purpose-built pieces, so you aren't buying a swaddle you'll outgrow in weeks and then a sleeping bag on top of it.
The trade-off is storage and overlap. For a stretch, one piece sits unused while you wait for the next stage. If you only need one stage, a single bag is the simpler buy.
What 1.0 TOG actually means for your nursery
TOG measures thermal insulation, not room temperature on its own. A 1.0 TOG bag is a moderate warmth level, so it suits rooms that aren't overheated and layers that aren't heavy. Because the bundle is fixed at 1.0 TOG, it won't cover every season or every nursery.
If your baby's room runs warm in summer or cold in winter, plan a separate TOG for those months rather than forcing this bundle to do everything.
The sizing question the bundle doesn't answer for you
The catalog lists the bundle's contents and price but not size options or a size chart, so you can't confirm fit from the listing alone. Check the size guidance on each individual piece before ordering, and measure your baby rather than buying ahead by age.
That matters most for the Cocoon Swaddle Bag, which has a shorter useful window than the Sleeping Bag. If your baby is already near the top of the swaddle size range, the bundle's first stage may be brief.
Decision rules for choosing this bundle
- If your baby is not yet rolling: Start with the Cocoon Swaddle Bag for contained arms, and move to the Sleeping Bag once your baby shows signs of rolling. Treat the switch as a milestone, not a calendar date.
- If your baby is already rolling: Go straight to the Sleeping Bag and treat the swaddle as a spare or gift; don't swaddle a baby who can roll.
- If your nursery is warm or cool: Use 1.0 TOG as your moderate baseline and add a separate warmer or cooler TOG bag for extreme seasons rather than layering heavily under this one. Check the room thermometer before deciding to layer.
- If you're unsure about size: Confirm the size range on each piece before ordering, and size to your baby's current measurements rather than the next season.
Bundle facts at a glance
- Grows with you 1.0 TOG Bundle: The bundle includes one Cocoon Swaddle Bag 1.0 TOG and one Sleeping Bag 1.0 TOG, priced at USD 78.03 against a catalog comparison price of USD 109.90. You get both stages in one purchase at a lower combined price than buying the pieces separately at their listed RRP.

Grows with you 1.0 TOG Bundle
Who this bundle suits
Best for
- Parents expecting or caring for a newborn who want one purchase covering swaddle and arms-free stages
- Families in a moderate climate or a nursery kept at a comfortable, not overheated, temperature
Not for
- Babies already rolling who need only an arms-free sleeping bag
- Households that need a warmer or cooler TOG for their typical room temperature
