How to Use a Wool Pull-Up Diaper Cover at Night

By Green Mountain Diapers | Published: 2026-10-22

Category: Tips & Care

Learn how to use a wool pull-up diaper cover for overnight cloth diapering, including prepping, lanolizing, and fitting tips for leak-free sleep.

Quick Answer

For overnight cloth diapering, use a wool pull-up diaper cover like the Babee Greens Wool Pull-Up over a well-fitted absorbent diaper, after prepping and lanolizing the wool for maximum leak protection.

Why wool works for overnight

Wool pull-up diaper covers are a favorite for overnight cloth diapering because they are breathable yet naturally water-resistant when lanolized. Unlike synthetic covers, wool allows air to circulate, which helps prevent rashes and keeps your baby comfortable during long sleep stretches.

The Babee Greens Wool Pull-Up is made from Oeko Tex 100 certified merino wool interlock, offering a soft, snug fit that moves with your baby. Because it is a pull-up style, there are no snaps to dig into your baby's tummy, making it a comfortable choice for sleeping.

Know the fit and sizing quirks

Wool pull-ups can run small. For example, the Babee Greens Wool Pull-Up sizes are noted to run smaller than the listed weight ranges—a size Small (listed 8-18 pounds) may fit more like 6-12 pounds. Always check the specific brand's size chart and consider sizing up for overnight use to accommodate extra absorbency.

If you are between sizes, choose the larger size to ensure a good fit over a bulky nighttime diaper. A too-tight cover can cause leaks and discomfort.

Steps for using a wool pull-up at night

Prep your wool cover: Before first use, hand wash your wool pull-up with a wool-safe wash, then lanolize it according to the product instructions. This restores the natural lanolin that makes wool water-resistant. Checkpoint: If water beads up on the surface, it is ready; if it soaks in, re-lanolize.
Choose the right absorbency: Use a well-fitted cloth diaper with enough absorbency for your baby's overnight output. Wool covers do not absorb; they contain. Pair with a fitted diaper or prefold boosted with extra inserts if needed. Checkpoint: Test with a trial run during a nap to see if leaks occur before committing to overnight use.
Put on the pull-up cover: Pull the wool cover up over the diaper like underwear, ensuring the leg elastics are snug but not too tight. Smooth the cover so there are no twists or bunching, which can cause gaps and leaks. Checkpoint: Check that the cover covers the entire diaper, especially around the legs and waist.
Check fit and adjust as needed: Make sure the cover is not too tight around the waist or thighs. A snug but comfortable fit is key. If the cover leaves red marks, it may be too small; consider sizing up. Checkpoint: If leaks occur at the legs, tighten the leg elastics by adjusting the fit or using a smaller size.
Air out between uses: After a night of use, hang the wool cover to air out. Wool does not need washing after every use; airing helps it stay fresh and maintain its lanolin coating. Checkpoint: If the cover smells or shows stains, hand wash and re-lanolize before the next use.

Product facts

Babee Greens Wool Pull-Up: Babee Greens Wool Pull-Up is made of Oeko Tex 100 certified merino wool interlock and is available in sizes that run smaller than listed weight ranges. The soft merino wool provides breathable overnight protection, but you may need to size up to ensure a good fit over a nighttime diaper.
Babee Greens Wool Pull-Up