Our favourite features? Extra points go to this luxury onesie because if you’re on a video call, it could be mistaken for a chic top, meaning no colleagues need know that you’re cosy in your loungewear.

Heated gilets are another option for warming just yourself rather than spending money heating the whole house during the day. And what a fantastic Christmas present for the person in your life, or even the person you’d like to get closest to!”Sizes: S, M, L | Colours: Pink, charcoal, silver| Materials: 30% Recycled Polyester, 70% Virgin Polyester Reasons to buy

Secondly, think about whether you want to wear pyjamas or thermals underneath your onesie, or just underwear. If you plan to wear clothes underneath it, size up. Anyone who tells you onesies are only for babies is 100% wrong! A onesie for adults combine the warmth of snuggly pajamas with the practicality of a one-piece outfit. It’s the perfect way to stay cozy and warm all evening long. Look at the sleeves and ankles of your onesie. Many come with elasticated cuffs to keep you warm, but if you think you’ll find that annoying, opt for a looser fit onesie.The type of fabric you choose will determine your onesie’s durability, comfort, and level of warmth.

Our Swears By edits are compiled by journalists with expertise in the areas they’re writing about. To help ensure we give the best, most accurate and trustworthy recommendations, they follow several steps when choosing products. Recommendations from real parentsCotton – Onesies made from cotton are very breathable, meaning they let in air. Because of this, they aren’t as snug and warm as fleece. The softness and comfort of cotton make it a popular fabric for onesies. It has cuffed legs to trap the warmth in, and is roomy, with reviewers saying a small is perfect for a size 12, though they do note that it’s not very long, so maybe not the best onesie if you’re tall. Before we recommend new products, we always ask our trusted Mumsnet users, of which there are more than seven million each month. That’s a lot of honest, impartial advice. Expert guidance