Ibaby Baby Vest Autumn Winter Children's Sleeveless Base Layer Vest Baby Small Vest Snow Town Penguin 90

Uses certified German Outlast® technology, originally developed for NASA space applications, providing dynamic temperature regulation at approximately 32°C

Natural plant fibers combined with Xinjiang long-staple cotton in a golden ratio for enhanced softness, moisture absorption, breathability, and skin-friendliness

High-end eco-friendly resin snap buttons certified by Oeko-Tex Standard 100 for infant safety; easy to wear and remove, non-cold to touch, durable and safe

Versatile vest suitable for three seasons (spring, autumn, early winter) as inner or outerwear; can be layered under sweaters or down jackets in cold winter

Certified infant-grade Class A quality with authoritative testing reports confirming no formaldehyde, carcinogenic aromatic amines, or harmful substances detected

Mushroom Bunny

Snow Town Penguin

Wild Deer Camp

Traveling Bear Cub

Elf Squirrel

| Size | Recommended Height (cm) | Recommended Weight (kg) | Age Range (years) | Garment Length (cm) | Shoulder Width (cm) | Chest Circumference (cm) | Hem Circumference (cm) |

|-------|-------------------------|------------------------|-------------------|---------------------|--------------------|--------------------------|------------------------|

| 90 | 78-90 | 9.5-13 | 1-2 | 36 | 21.5 | 30 | 31.5 |

| 100 | 90-100 | 12-16 | 2-3 | 39 | 23 | 31.5 | 34.5 |

| 110 | 100-110 | 15-17 | 3-4 | 42 | 24.5 | 33 | 34.5 |

| 120 | 110-120 | 18-20 | 5-6 | 45 | 26 | 34.5 | 36 |

| 130 | 120-130 | 20-25 | 6-7 | 49 | 28 | 37 | 38.5 |

Oeko-Tex Standard 100 Infant Safety Certification for buttons

Tested and certified free from formaldehyde, carcinogenic aromatic amines, heavy metals, and harmful substances

Color fastness to washing, sweat, and water meets qualified standards

Certified by The Space Foundation, NASA, Outlast Technologies LLC, and official Outlast partners

Founded in 2008, ibaby focuses on providing better products for children by integrating technological innovation with creative design

Combines Eastern traditional childcare culture with Western modern parenting concepts to deliver high-quality mother and baby products

Upholds the brand philosophy of “Beauty of Nature, Conscience Quality” offering innovative nurturing technology solutions for new generation parents

Due to different measurement methods, a 1-2 cm size deviation may occur; please select size according to the child’s measurements.