Seamless underwear for boys 4F M248 navy 4FJWAW25USEAM248 31S 152-158cm

Keeping active boys warm and comfortable during cold-weather sports and outdoor play can be a challenge. This 4F seamless thermal underwear set solves that problem with advanced moisture management and a snug, ergonomic fit that moves with the body.

Who is it for

Designed for junior boys aged approximately 12-14 years (height 152-158 cm), this set is ideal for skiing, hiking, football practice, or simply staying warm on the way to school. The close-fitting cut makes it perfect as a base layer under regular clothing or sports gear.

Main features

• Seamless construction eliminates chafing and irritation, even during intense activity.
• 4F Dry technology wicks moisture away from the skin, keeping the body dry and warm.
• Soft-touch polyester blend with elastane offers excellent flexibility and freedom of movement.
• High breathability prevents overheating while providing thermal insulation.
• Set includes a long-sleeve top and long pants for full coverage.
• Navy blue colour is versatile and hides dirt, making it practical for everyday wear.

Specifications

• Product type: Thermal underwear set
• Gender: Boy
• Age group: Junior / Youth
• Size: 152-158 cm (height)
• Colour: Navy blue
• Material composition: Polyester blend with elastane
• Seam technology: Seamless
• Thermal properties: Excellent thermal insulation
• Moisture management: Moisture-wicking (4F Dry)
• Breathability: High
• Flexibility: High
• Fit: Close-fitting / Ergonomic
• Comfort features: Anti-chafing, soft-touch fabric
• Recommended use: Sports, outdoor activities, everyday wear

Tips

Machine washable for easy care. Pair with a waterproof outer layer for maximum warmth in wet conditions.