Quick Answer

Use a baby sleep set as a safe alternative to loose blankets by choosing the right size, dressing your baby in light layers, and checking for overheating.

Why a Sleep Set Supports Safe Sleep

Safe sleep guidelines from pediatric experts recommend a firm, flat sleep surface and no loose items in the crib. A well-fitted baby sleep set—like a two-piece pajama set—keeps your baby warm without the need for blankets, reducing the risk of suffocation and overheating.

Unlike a sleep sack, which is a wearable blanket, a sleep set is simply pajamas. It is not a substitute for a sleep sack if your baby needs extra warmth. The key is to choose the right fabric and layering based on room temperature.

Fabric Matters: Breathability and Comfort

The fabric of your baby's sleep set plays a big role in temperature regulation. Lightweight, breathable materials like TENCEL™ Modal and cotton help wick moisture and prevent overheating. These fabrics are soft against sensitive skin and suitable for year-round use when layered appropriately.

For warmer nights, a short-sleeve set in a moisture-wicking fabric keeps your baby cool and dry. For cooler nights, a long-sleeve set in a breathable knit provides warmth without bulk. Always check the room temperature and adjust layers accordingly.

Step-by-Step Safe Sleep Guide

  1. Check the room temperature: Keep the nursery at a comfortable temperature between 68-72°F (20-22°C). Use a room thermometer to monitor. If the room feels warm to you, it's likely too warm for your baby.
  2. Choose the right sleep set size: Select a sleep set that fits snugly but allows movement. Avoid oversized sets that can bunch up and cover your baby's face. Check the size chart and replace the set when it becomes too snug.
  3. Dress your baby in light layers: Start with a single layer, like a cotton sleep set. Add a sleep sack if needed for warmth, but never use loose blankets. If your baby's chest feels hot or sweaty, remove a layer.
  4. Place your baby on their back: Always put your baby to sleep on their back on a firm, flat mattress with no pillows, toys, or bumpers. This position is recommended for every sleep, including naps.
  5. Monitor for overheating: Check your baby's neck or chest for warmth. If they are sweating or their skin feels hot, remove a layer or switch to a lighter sleep set. Overheating is a risk factor for SIDS, so err on the side of fewer layers.

  • Cream Pointelle Baby Sleep Set: Crafted from our Solly Pointelle fabric, made with sustainably-sourced certified TENCEL™ Modal and cotton, these sleep sets are lightweight and breathable. The breathable knit helps regulate temperature, making it a comfortable choice for year-round sleep.

    Cream Pointelle Baby Sleep Set

    Cream Pointelle Baby Sleep Set

  • Bleu Toile Short-Sleeve Baby Sleep Set: Made from our Solly Luxe™ fabric, these short-sleeve pajamas are lightweight, breathable, and moisture-wicking. Ideal for warm nights, the moisture-wicking fabric helps keep your baby dry and comfortable.

    Bleu Toile Short-Sleeve Baby Sleep Set

    Bleu Toile Short-Sleeve Baby Sleep Set