4505 4505 active 1/4 zip long sleeve running top with zip back pocket in black
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4505 active 1/4 zip long sleeve running top with zip back pocket in black

4505

$48.00

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Product Insights & Style Tips

The 4505 active 1/4 zip long sleeve running top in black channels a streamlined, athletic mood with city-ready polish. A high neck and a partial zip give a clean line, while long sleeves keep the silhouette grounded in performance ease. The zip back pocket adds a quiet utilitarian note, and the slim fit promises a lean, modern shape.

Its slim fit sits close to the body, allowing you to move freely without bulk. The zip back pocket stashes essentials so you can go hands-free on the move, from warmups to errands. Because it pairs neatly with other layers, it layers smoothly under a light jacket or over a base layer, adapting as moods shift from day to night.

4505's active line leans into a minimal, sport-inspired vocabulary that travels well from studio to street; this piece riffs on that ethos with a clean black palette and practical details.

Materials / Fabrication

  • Black color
  • 1/4 zip long sleeve running top
  • High neck
  • Partial zip closure
  • Long sleeves
  • Zip back pocket
  • Slim fit
  • Layering friendly for wear under a light jacket or over a base layer
  • Minimal sport-inspired design
  • Part of the 4505 active line
  • Designed for studio to street versatility

Recommended Care

  • Machine wash cold with like colors
  • Use a mild detergent
  • Avoid bleach
  • Tumble dry low or lay flat to air dry
  • Avoid high heat; do not iron or dry clean

Fit Notes

  • High neck with partial zip provides adjustable neckline and easy on/off.
  • Long sleeves and a close-fitting torso create a streamlined silhouette suitable for layering.
  • A zip back pocket adds functional detail without changing the fit of the top.
4505 4505 active 1/4 zip long sleeve running top with zip back pocket in black

Styling Tips

  • Tuck the top into high-waisted denim to balance the slim silhouette and highlight the zip back pocket.
  • Layer it with a jacket to add structure without obscuring the high-neck silhouette.
  • Carry a tote bag to balance the streamlined look and provide practical storage.

About 4505

4505 is ASOS's in-house activewear label, offering performance driven gym wear and easy, fashion forward athleisure for both women and men. The range spans leggings, sports bras, tees, hoodies, joggers, jackets and seasonal outerwear, all built on practical fits and versatile silhouettes that transition from the studio to streetwear with ease. Emphasizing accessible price points and dependable quality, 4505 pairs moisture-wicking fabrics and thoughtful construction with a modern, urban aesthetic that fits into everyday wardrobes. Shoppers gravitate to 4505 for reliable, trend aware essentials that keep pace with workouts and casual outfits alike, making it a go-to for those seeking polished, sport-influenced pieces.