Knox Dual Active Base Layer LS Top - Black
Luxuriously soft base layer top with Silverplus® and Hydrocool® finishes, die cut zones and bonded seams
Details
Verified Customer Reviews for Knox Dual Active Base Layer LS Top
Sleeves come off 
16 Aug 2026 by Andrew
As much as it does a good job in a hot day to wick the moisture away, the sleeves fell off after a few times of washing it. There are some kind of tape connections instead of stitching and a few of them failed already. I wish I could give it a good review but there is a serious fault in manufacturing this product. And it was only washed in 30C.
Style: Black
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The PERFECT summer base layer
24 Jul 2026 by Martin C
This base layer from Knox is absolutely first class. Purchased due to the continuing heatwave and lots of trips coming up. Used for a week and other than an overnight rinse out this proved to be an invaluable piece of kit. Coming from Know expectation levels were high - and I wasn't disappointed. Does exactly what it claims to. This was a FANTASTIC purchase and long may the heatwave continue!
Style: Black
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Pricey but good ultra thin base layer.
21 Jul 2026 by Tim P
If you wear the armoured shirts from Knox like I do, then they can be slightly scratchy on a long ride, this base layer is the answer, ultra thin and cool. Also packs up really small. If you are on a long tour it is good to have - I have just bought my second. Only 4 stars simply because of the price
Style: Grey
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Quality of Knox
20 Jun 2026 by Anonymous
Easy on easy off and good for a fair few days but easy washing
Style: Black
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Keeps you. Cool
15 Jun 2026 by Richy
Currently on the alps grand route in 30c and this top is helping to keep me cool.
Style: Grey
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Comfortable and good in the cold
07 Apr 2026 by Jim J
It was extreme cold when I bought this and I could tell the difference immediately in the added insulation that was provided.
Style: Grey
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Description
The Dual Active Base Layer is the foundation of the Knox Seasonless Collection, designed as the first layer worn closest to the rider's skin, where both comfort and performance are essential. Designed for year-round performance, it delivers a precision fit, lasting comfort, and advanced moisture control. Intended to be worn beneath a Knox armoured shirt, it prevents stickiness and discomfort in the heat, while its versatile design makes it equally suited to other active sports.
Reinvented for 2026, the Knox Dual Active Base Layer range combines technical excellence with refined luxury, providing unparalleled comfort, performance, and style - ready for every season, multiple sports, and every ride. Crafted from fine, breathable polyester and spandex, delivering a soft, smooth touch while maintaining exceptional stretch and mobility. Bonded seams and reduced stitching create an ultra-flat, streamlined fit, minimising bulk and eliminating pressure points beneath other layers.
The Men's Dual Active Base Layer Long Sleeved Top offers a tailored, slim fit with curved bonded seams at the sleeves and a polished finish at the neck, cuffs, and hem. Subtle mountain print panels and understated Knox branding add a signature, sophisticated aesthetic. Strategically placed die-cut ventilation zones under the arms and between the shoulder blades enhance airflow and moisture control, ensuring a fresh, comfortable feel even during intense activity.
Product Specification
Variants
Dual Active Trousers
Manufacturer
Knox Dual Active Base Layer LS Top - Black
- Fabric construction: 79% Polyester, 21% Spandex
- Silverplus® finish prolongs garment life and provides long lasting odour protection
- Hydrocool® finish aids moisture management
- Luxuriously soft
- Excellent stretch, breathability and freedom of movement
- Slim, tailored silhouette
- Curved, bonded seams
- Die-cut airflow zones under arms and between shoulders
- Subtle mountain print
- Elegant Knox branding
- Suitable for activities on and off the bike
- Matching trousers available
| S | M | L | XL | 2XL | 3XL | |
|---|---|---|---|---|---|---|
| CHEST (inch) | 35 - 37 | 38 - 40 | 41 - 43 | 44 - 46 | 46 - 48 | 48 - 50 |
The Dual Active Base Layer is the foundation of the Knox Seasonless Collection, designed as the first layer worn closest to the rider's skin, where both comfort and performance are essential. Designed for year-round performance, it delivers a precision fit, lasting comfort, and advanced moisture control. Intended to be worn beneath a Knox armoured shirt, it prevents stickiness and discomfort in the heat, while its versatile design makes it equally suited to other active sports.
Reinvented for 2026, the Knox Dual Active Base Layer range combines technical excellence with refined luxury, providing unparalleled comfort, performance, and style - ready for every season, multiple sports, and every ride. Crafted from fine, breathable polyester and spandex, delivering a soft, smooth touch while maintaining exceptional stretch and mobility. Bonded seams and reduced stitching create an ultra-flat, streamlined fit, minimising bulk and eliminating pressure points beneath other layers.
The Men's Dual Active Base Layer Long Sleeved Top offers a tailored, slim fit with curved bonded seams at the sleeves and a polished finish at the neck, cuffs, and hem. Subtle mountain print panels and understated Knox branding add a signature, sophisticated aesthetic. Strategically placed die-cut ventilation zones under the arms and between the shoulder blades enhance airflow and moisture control, ensuring a fresh, comfortable feel even during intense activity.
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