4505 4505 Icon active quick dry muscle fit base layer training t-shirt in rust-Brown
4505 4505 Icon active quick dry muscle fit base layer training t-shirt in rust-Brown - 1
4505 4505 Icon active quick dry muscle fit base layer training t-shirt in rust-Brown - 2
4505 4505 Icon active quick dry muscle fit base layer training t-shirt in rust-Brown - 3
4505 4505 Icon active quick dry muscle fit base layer training t-shirt in rust-Brown - 4

4505 Icon active quick dry muscle fit base layer training t-shirt in rust-Brown

4505

$22.99 9% OFF

$21.00

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Free U.S. standard shipping on eligible ASOS orders over $75. Sold and fulfilled by ASOS, with final pricing, availability, and delivery details confirmed at checkout. shipping and returns information

Product Insights & Style Tips

The 4505 Icon active quick dry muscle fit base layer training t-shirt in rust-Brown channels a lean, no-fuss vibe for both workouts and weekend errands. A plain design with a crew neck and short sleeves keeps the silhouette clean, while the rust hue grounds the look in athletic ease. The quick dry label hints at a breathable, performance-ready feel that moves with you rather than sticking to your skin.

With a muscle fit, this base layer skims the arms and torso for a streamlined line that layers smoothly under jackets or overshirts. It sits close without feeling restrictive, so it travels from gym to street without bulk. The short sleeves temper layering warmth, and the crew neck keeps the neckline tidy when you stack with hoodies or lightweight outerwear.

4505 keeps it practical and pared back, a versatile addition to a minimalist, athletic wardrobe. A rust-Brown staple that pairs with neutrals and denim, it offers easy wearability across settings, from training sessions to casual outings.

Materials / Fabrication

  • Activewear by 4505
  • Plain design
  • Crew neck
  • Short sleeves
  • Muscle fit

Recommended Care

  • Machine wash cold with like colors
  • Do not use chlorine bleach
  • Tumble dry low or line dry
  • Do not iron; if needed, use a cool steam or iron on reverse side

Fit Notes

  • Crew neck and short sleeves create a clean athletic silhouette.
  • Muscle fit through the chest and arms provides a close, streamlined shape.
  • Designed as a base layer for training, it sits smoothly under outerwear.
  • Moisture-wicking quick dry fabric helps manage sweat during workouts.

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.