Girls' Thermal Underwear Set, Long Sleeve Top & Long Janes

When the cold bites, you need a base layer that works as hard as you do, genuinely warm, genuinely comfortable, and invisible under everything you wear. Keep her cosy, comfy, and ready for every winter adventure with the Girls Thermal Underwear Set, a cotton-rich baselayer pairing a long sleeve top with Long Jane pants. Engineered for superior warmth without bulk, this soft, breathable set locks in heat, wicks away moisture, and moves with her all day. Perfect under school uniforms, ski gear, or weekend layers, it’s a cold‑weather essential parents trust and kids love.

Key Features

• Advanced Insulating Yarn: Crafted with high‑performance insulating yarn and a soft brushed inner that traps more warm air close to the skin.
• Comfort Fit and Ribbed Construction: Ribbed fabric contours to the body for a snug yet flexible fit.
• Cotton-Rich Fabric: A breathable cotton‑rich blend balances warmth with airflow.

Materials

A breathable cotton‑rich blend balances warmth with airflow. The naturally soft handfeel is gentle on sensitive skin, while effective wicking helps manage moisture during activity.

Colours Available

White – classic and clean under light uniforms, Marl Grey – versatile everyday neutral, Black – sleek, discreet, and easy to pair

Sizes Available

A range of kids’ sizes suited to various age groups for an easy, comfortable fit. Please refer to the size chart to select the ideal top and Long Jane combination for your child.

Care Instructions

Machine wash at 40°C Tumble dry friendly Wash dark colours separately to maintain vibrancy and fabric quality.