Jacob Base Layer
£27.50
Size GuideThe Jacob is part of the ALL SEASON collection and is carefully made in the Knox UK Factory in the Lake District.
Made from MerinoPerform™ Advantage and woven in Australia from luxuriously fine Merino wool, it is combined with cooling and fast-drying synthetic fibres in the fabric structure. The mix of synthetic and Merino means that both vapour and sweat are managed away from the body keeping the wearer cool on hot spring/summer days and warm through the chill of autumn/winter. Merino is some of the finest and softest wool of any sheep and has a silky outer layer, so it is comfortable to wear without itchiness and it has a natural resistance to the bacteria that causes odour.
The fabric’s natural properties and elasticity mean that the garments keep their shape and drape naturally, making them non cling, cool and comfortable. The collection is ideal for motorcyclists as it has a high tensile strength as well as being highly breathable, fast wicking and drying
The Jacob has the richness of a grey marl body contrasting with light grey collar and cuffs on this long sleeve style.
Designed to be a comfortable non-cling fit, yet fine enough not to bunch up under outer clothing. Offering a fashionable sports look with subtle branding on the neck and hem to make it perfect for wearing on and casually off the bike.
Style Notes
Style Notes
The Jacob is part of the ALL SEASON collection and is carefully made in the Knox UK Factory in the Lake District.
Made from MerinoPerform™ Advantage and woven in Australia from luxuriously fine Merino wool, it is combined with cooling and fast-drying synthetic fibres in the fabric structure. The mix of synthetic and Merino means that both vapour and sweat are managed away from the body keeping the wearer cool on hot spring/summer days and warm through the chill of autumn/winter. Merino is some of the finest and softest wool of any sheep and has a silky outer layer, so it is comfortable to wear without itchiness and it has a natural resistance to the bacteria that causes odour.
The fabric’s natural properties and elasticity mean that the garments keep their shape and drape naturally, making them non cling, cool and comfortable. The collection is ideal for motorcyclists as it has a high tensile strength as well as being highly breathable, fast wicking and drying
The Jacob has the richness of a grey marl body contrasting with light grey collar and cuffs on this long sleeve style.
Designed to be a comfortable non-cling fit, yet fine enough not to bunch up under outer clothing. Offering a fashionable sports look with subtle branding on the neck and hem to make it perfect for wearing on and casually off the bike.
Details & Fit
Details & Fit
- Fast “one way” wicking and drying
- Non-cling, fine fabric
- Super soft seam construction
- Efficient Temperature regulation
- Breathable
- Naturally Odour resistant
- High tensile strength
- Natural elasticity keeps garments in good shape
- Easy care and washing with stain resistance
- High UV resistance providing protection from the sun
- Reassuringly safe, flame retardant
- Natural and renewable fabric
- Machine Washable and dries quickly
- Sizes S- 3XL See size chart for details
Reviews (19)
Size Guide
Need help? Use Live chat or email us at: sales@planet-knox.com
Chest: Measure around the fullest part of your chest and your shoulder blades.
Waist: To work out your size, measure your waist in the position your trousers usually sit. As a guide this is roughly 5-6cm below your belly button.
Please note: The measurements given are body measures and we recommend you do not measure over clothing.
| Men's UK Size | Chest (Inches) | Chest (cm) | Waist (inches) | Waist (cm) |
|---|---|---|---|---|
| S | 35-37 | 90-96 | 30 | 76 |
| M | 38-40 | 98-103 | 32 | 81 |
| L | 41-43 | 104-109 | 34 | 87 |
| XL | 44-46 | 110-115 | 36 | 92 |
| 2XL | 46-48 | 116-121 | 38 | 97 |
| 3XL | 48-50 | 122-127 | 40 | 102 |
| 4XL | 50-52 | 128-134 | 42 | 107 |
| 5XL | 52-54 | 135-141 | 44 | 112 |
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Rosie Smith, Womens DH Champ
These are an essential part of my race kit and every day riding gear now and I do not go anywhere without them. They keep you dry and warm and don’t look like base layers unlike many other brands, I would recommend them to everyone. They don’t shrink in the wash, and stay looking fresh and new all year
Brian M.
Good quality nice looking could just ware as a normal T-shirt and fast delivery
Duncan H.
Great product and excellent delivery
Luke Shelley
Im currently racing in British Supersport alongside the British Superbike Championships and im currently using the Jacob long sleeve base layer! Its soft fabric makes a much nicer feel than the skin tight type base layers. Its so comfy i woudlnt race without them. Easy 5 stars!
Chris T.
I have been wearing the Knox “Jacob” baselayers for the 2015 racing season, and they are always the first item to be packed into my kit bag when I leave for a race weekend. They really do keep you at the perfect temperature, even in the height of summer racing around the track I have never felt too hot. They are also not too tight, so they do not restrict your movements on the bike at all.
Freddy Pett
Comfortable and effective. a great base layer to wear under my leathers. helps keep me cool and warm at the same time. They also make great lounge wear.
Johnny Blackshaw
Makes racing my motorbike comfortable. This baselayer is great! When testing for a full day in the middle of summer I never once was un comfortable in my leathers. Even now, riding in the beginning of the cold season the base layer keeps me warm and comfortable whilst racing my motorbike!
jordan Gilbert
These baser layers are really comfortable, made from a really nice material. I don’t get hot in them in the summer and now going into the colder races i will stay warm. Works really well, another great product by KNOX.
Jordan Gilbert #24 Team HARIBO Starmix National Superstock 600
ROBERT S.
I have found Knox by browsing internet about base layer products for motorcyclists. I used to have different brand of dry inside products used as a base layer. Because they did not work for me as I thought I was skeptical about Knox brand and I have ordered this T shirt for test and… big surprise!
It worked perfectly! Once on my back I could feel warmth. Wearing it during ride I still felt warmth and my back stayed dry. The size I ordered was right in chest measurement but a little bit too long. For me Knox has proved that their products are really fit for purpose. Do not waste money for other, maybe cheaper stuff – buy Knox. It’s worth its money!
Philip M.
Good service and prompt response
David M.
I am very pleased with the fit, fill, and comfort of these base layers. I also enjoy the fact that they can keep you warm and prolong your riding during cold weather.
Alex B.
The product is really quality and during use keeps the body dry ! I have always used within the Racing and I’m really happy because it is also very comfortable!
Paul J.
Great quality feel and fit
Scott E.
Fits perfect. Super warm
PHIL M.
Great top, really comfortable to wear both summer and winter.
William C.
Great product. Quick delivery
Andrew O.
Used the base layers for the first time yesterday – great product. Comfortable and warm, looks good too. Thanks Knox!
Peter J.
Perfect for summer riding.
Peter Kammeyer
(verified owner)I was apprehensive about ordering this as I’m not a slim as the model . The top fits true to size and is so comfortable. I never knew base layers could make such a difference. This is really good quality too. I would recommend.