The Little Prince Children's long johns set pure cotton boys Lycra pajamas girls loungewear baby thermal clothes children's underwear

Thick winter underwear often leaves kids feeling itchy, restricted, and overheated during active play or sleep. The Little Prince thermal set solves the cold-weather dilemma by blending cloud-soft pure cotton with flexible Lycra, trapping cozy body heat while letting delicate skin breathe freely. It offers a perfectly balanced, irritation-free layer that keeps babies, boys, and girls comfortable from bedtime to morning playtime. Pure Cotton Base: Delivers a hypoallergenic, velvety feel that completely eliminates nighttime itching. Lycra-Enhanced Stretch: Provides an ultra-flexible, shape-retaining fit that moves effortlessly with your child. Breathable Thermal Knit: Locks out the winter chill without causing uncomfortable night sweats. Styling Tip: Wear it as a luxury standalone loungewear set for cozy weekend mornings, or layer it smoothly beneath a winter jumpsuit as a bulk-free thermal base. Size Top Length Sleeve Length Pants Length Half Waist Width Convertible Crotch Recommended Height Recommended Weight 80 34 cm 29 cm 45 cm 19 cm Yes 65–75 cm 6–8 kg (12–16 jin) 90 37 cm 30 cm 48 cm 19 cm Yes 75–85 cm 8–10 kg (16–20 jin) 100 39 cm 33 cm 54 cm 20 cm No 85–95 cm 10–12.5 kg (20–25 jin) 110 42 cm 35 cm 59 cm 21 cm No 95–105 cm 12.5–15 kg (25–30 jin) 120 44 cm 36 cm 64 cm 21 cm No 105–115 cm 15–19 kg (30–38 jin) 130 47 cm 39 cm 69 cm 22 cm No 115–125 cm 19–22.5 kg (38–45 jin) 140 50 cm 41 cm 73 cm 23 cm No 125–135 cm 22.5–27.5 kg (45–55 jin) 150 52 cm 42 cm 79 cm 24 cm No 135–145 cm 27.5–35 kg (55–70 jin) 160 55 cm 44 cm 84 cm 25 cm No 145–155 cm 35–40 kg (70–80 jin)