Quick answer

Start with the right size and layer the open jacket over a simple top or bare skin, then adjust the drawstring waist for a relaxed fit that stays in place.

Why an open cotton jersey pyjama works for everyone

The open front jacket with a chest pocket and contrast piping gives a polished yet relaxed look that suits any body shape. The cotton jersey fabric breathes well, making it ideal for year-round wear in moderate climates.

Because the set is unisex, the sizing runs slightly roomier than typical gender-specific sleepwear. This allows you to choose a closer or looser fit depending on your preference.

How to wear your unisex open cotton jersey pyjama set

  1. Choose your size based on chest and hip measurements: Measure your chest and hips, then compare to the size chart. The open jacket allows more flexibility, but the pants should sit comfortably at your natural waist without sagging. If between sizes, size down for a trimmer look or up for a relaxed lounge fit.
  2. Decide on layering underneath the open jacket: Wear the jacket over a simple cotton t-shirt, tank top, or directly on bare skin. The open front makes it easy to adjust layers without fully removing the top. Avoid wearing a thick sweater underneath – it will bunch and ruin the clean line of the jacket.
  3. Adjust the drawstring waist for comfort: Tie the drawstring in a bow or knot so the pants stay at your waist without slipping. The side pockets are functional, but avoid overstuffing them, which can pull the fabric out of shape. A loose knot is better than a tight one – you can always re-tie later.
  4. Style for lounging or sleeping: For lounging, leave the jacket open and pair with slippers. For sleeping, close the jacket lightly or remove it entirely. The cotton jersey fabric is soft enough for direct contact with bedding. The contrast piping adds a subtle style detail, so you can wear the set confidently even when answering the door.
  5. Care instructions to maintain the fit: Machine wash cold on a gentle cycle and tumble dry low. Avoid fabric softeners, which can reduce the jersey's natural breathability. Iron on low if needed, but the fabric usually stays wrinkle-free. Washing inside out protects the contrast piping from fading.

Product details

  • Pyjama long ouvert en jersey de coton ardoise pour unisexe: The jacket has an open front with a chest pocket, and the pants feature a drawstring waist and side pockets. You can adjust the waist for a secure fit without a belt, and the chest pocket holds small items like a phone or glasses while lounging.

    Pyjama long ouvert en jersey de coton ardoise pour unisexe

    Pyjama long ouvert en jersey de coton ardoise pour unisexe