Betis Baby Romper Summer Thin Short Sleeve Modal Breathable Pajamas Infant Summer Onesie Crawling Suit

94% Modal fiber

6% Spandex (Elastane)

Natural cooling sensation derived from plant-extracted cooling molecules without chemical additives

Physical cooling effect through fiber’s moisture absorption and heat conduction properties, reducing temperature by 1-2°C upon contact

Durable cooling effect maintained after 300 washes

Environmentally friendly, biodegradable natural wood pulp fibers sourced from 28°N rainforest

Soft, smooth texture with water-like softness for baby’s sensitive skin

Breathable jacquard fabric structure with ventilation holes for moisture wicking and heat dissipation

10A grade antibacterial performance certified by third-party testing, effective after 300 washes

Antibacterial against Staphylococcus aureus and Escherichia coli with >99% efficacy

Elastic and shape-retaining fabric for comfort during sleep, play, and daily activities

Seamless design with no bone seams for enhanced skin comfort and reduced irritation

Color-coded snap buttons for easy dressing without errors

Environmentally friendly printing and dyeing with zero formaldehyde and no fluorescence, meeting baby-grade A standards

Peony Light Pink

Light Sea Glow

Mint Glaze

Recommended size selection based on baby’s height and weight

Data sourced from sales and research from 2022 to 2025

Developed under guidance of Stanford Bioclimatic Research Institute

Over 4.1 million units sold in 3 years

All measurements are manual and may have slight deviations; actual product dimensions prevail.