The Nike Boys NK DF Miler Short Set in Blue is a performance two-piece set from Nike's Dri-FIT Miler range, comprising a short-sleeve top and matching shorts. Designed for boys aged 3 to 7 years, this is a genuine sports performance set — built for active use during sport, PE, training and energetic outdoor play rather than casual everyday wear.

"DF" stands for Dri-FIT — Nike's moisture-wicking technology that pulls sweat away from the skin and helps keep boys cool and dry during physical activity. The short set format makes this particularly well-suited to warmer conditions: summer sport, indoor PE, athletics, football training and active holidays. It's also a practical year-round choice for indoor sport, where temperature regulation matters more than warmth.

Made from a synthetic performance fabric (confirmed by the garment's classification), the set is lightweight, breathable and quick-drying. Like the NK DF Miler Half Zip Pant Set, this product carries Nike's sustainability credentials, meaning it incorporates recycled or more sustainably sourced materials as part of Nike's Move to Zero programme. The blue colourway is clean and versatile, pairing well with white or navy Nike trainers and working across a range of sport and casual settings.

• Brand: Nike
• Range: NK DF (Dri-FIT) Miler — performance sportswear
• Colour: Blue
• Style: Short-sleeve performance top + matching shorts (two-piece set)
• Fabric: Dri-FIT synthetic performance fabric
• Sustainability: Made with more sustainable materials
• Sizes: 3 Yrs | 4 Yrs | 5 Yrs | 6 Yrs | 7 Yrs
• Best for: Sport, PE, running, summer training, indoor sport, active play
• Season: AW2026 (suited to warmer conditions and indoor sport year-round)
• Made in: Vietnam