Newborn Three-Layer Cotton Thermal Romper – Seamless Winter Baby Outfit

Regular price $23.99
Sale price $23.99 Regular price $2.92
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Newborn Three-Layer Cotton Thermal Romper – Seamless Winter Baby Outfit

Newborn Three-Layer Cotton Thermal Romper – Seamless Winter Baby Outfit

Product description

This PetalMini babywear piece is designed with a thin thermal cotton structure to help keep your baby warm without feeling bulky. The soft fabric offers comfortable movement, making it suitable for daily wear, lounging, and sleepwear layering.

The garment features a belly-protective one-piece design with 40g thermal cotton, helping babies stay comfortably warm while staying active. The smooth seam construction and pure cotton inner layer feel gentle against delicate baby skin.


Core Features

Thermal Belly Protection
Designed with a warm belly-protective structure to help keep babies comfortable during daily wear.

40g Thermal Cotton
Lightweight 40g thermal cotton provides warmth without feeling too thick or bulky.

Soft & Comfortable
The fabric feels soft and comfortable, helping babies move freely without feeling stuffy.

Smooth Seam Construction
Seamless-style stitching helps reduce rubbing and feels gentle against delicate skin.

Pure Cotton Inner Layer
The inner layer is made with cotton for a softer, skin-friendly wearing experience.

A-Class Baby Standard
Designed as an A-Class baby garment suitable for close contact with baby skin.

Product Information

Brand: PetalMini

Style: Baby Thermal Romper

Safety Grade: A-Class Baby Standard

Outer Fabric: 100% Cotton

Inner Layer: 100% Cotton

Interlayer: 20% Cotton / 20% Thermal-Control Fiber / 60% Polyester Fiber

Available Sizes: 52 / 59 / 66

Size Guide

Size Measurements (cm)

Size Length Half Chest Sleeve Length Half Sleeve Opening Recommended Age Recommended Height Recommended Weight
52 43 cm 26 cm 19 cm 5.5 cm 0–1 Month 49–52 cm 5–8 jin
59 46 cm 27 cm 20 cm 5.8 cm 1–3 Months 52–59 cm 8–12 jin
66 52 cm 28 cm 21 cm 6.1 cm 3–6 Months 59–66 cm 12–15 jin

Note: Due to different measuring methods and fabric elasticity, measurements may have a 1–2 cm difference. This is not a quality issue. Please choose the size according to your baby’s actual height and body shape.

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