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Knox Dual Active Base Layer Long Sleeve Functional Shirt

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Knox Dual Active Base Layer Long Sleeve Functional Shirt

The Knox Dual Active Base Layer is the perfect first layer in the Seasonless® Collection and is worn directly on the skin. Designed for year-round use, it ensures a precise fit, high wearing comfort, and effective moisture management. Worn under a Knox Armored Shirt, it prevents heat build-up and unpleasant stickiness—but is also ideal for other sporting activities. Completely redesigned for 2026, the Dual Active Base Layer is made of fine, breathable polyester with stretch. The material feels soft, offers maximum freedom of movement, and remains comfortable on the skin even during intense activity. Bonded seams and reduced stitching zones ensure a flat, pressure-free feel under other layers.

Technical features from Rudolf optimize performance: moisture is quickly wicked away from the body, while an antibacterial finish reduces odor. Perforated ventilation zones under the arms and between the shoulder blades further improve air circulation. The long-sleeved men's model impresses with its slim cut, ergonomic seams, and high-quality finish on the collar, cuffs, and hem. Subtle graphics and understated branding round off the technical look.

Features:

  • All-season base layer – ideal first layer for comfort and performance in all weather conditions
  • Breathable stretch fabric – fine polyester/elastane blend for a soft feel and maximum freedom of movement
  • HYDROCOOL® moisture management – quickly wicks sweat away from the body and accelerates drying
  • Optimal temperature regulation – cooling, fresh feeling even during high activity
  • SILVERPLUS® odor protection – inhibits odor-causing bacteria for long-lasting freshness
  • Easy care & durable – fewer washes, lower temperatures, resource-saving
  • Flat, bonded seams – minimizes pressure points and bulk under additional layers
  • Targeted ventilation zones – laser-cut ventilation under the arms & between the shoulder blades
  • Perfect under protective clothing – reduces sticking and friction under Knox Armored Shirts
  • Suitable for multiple sports – also ideal for training, outdoor activities, and active leisure
  • Sporty, elegant fit – slim cut with subtle graphics and high-quality branding
  • Combinable – matching Dual Active Trousers available
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Brand Knox
Is on Sale No
Season Summer
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