Thermal T-shirts/thermal meshes/thermal base layer

Thermal base layer

The main objective of the technical underwear is to keep the body at a pleasant temperature despite the cold. In order to achieve this objective, the thermal base layer must meet a series of conditions that are as follows:


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  • ability not to absorb moisture: This will make the sweat not impregnated in the body or tissue, avoiding the feeling of cold sweats and moisture penetrating the body.
  • adjustment to the body: the more snug the garment is, the more efficient the fabric becomes, for these reasons elastic fabrics are used.
  • fabrics with low thermal conductivity: materials such as polypropylene or polyvinyl tetrachloride... possess the ability to maintain body heat, preventing it from going outward.

The different trademarks use different names to baptize this type of thermal fabrics. The most used and recognized are such as: Coolmax, Trevira, Thermolactyl, Thermothebe, Thermastat, Rhovilon, Meraklon, Thermax...

Previously, natural fabrics such as wool were used to manufacture thermal base layer (t-shirts, boxers, ...), which has very similar characteristics and a pleasant touch but in cases of abundant sweat tends to retain more moisture.

At present with the great revolution that have undergone the sports tissues baptized as "technicians", the synthetic fabricss have gained prominence achieving to offer a much higher performances. There are different garments of thermal base layer. The most common and used are T-shirts and meshes, but you can also find underwear, socks, bras, leg loops, sleeves... made with thermal fabrics that improve the wellbeing and comfort of cyclists before the Adverse climatic conditions.

To ensure the maximum performance of the thermal base layer, it is important that the other pieces of clothing you have placed on top also offer the necessary characteristics of perspiration, protection and air conditioning appropriate to each Temperature and situation since only the use of thermal base layer does not ensure total protection.

Underwear: Base layer Thermal / Thermical 

Innovative fabrics designed to remove sweat from the skin to keep you dry, comfortable and fundamentally in the saddle for longer.

DHB Aeron Merino Indoor T-shirt

The Merino wool internal T-shirt and a definitive high performance with 37.5 technology.

Endura Frontline T-shirt

Fast-absorbing and superelastic Polytex/lycra fabric integrated with a Nylon/Lycra outer part offers superb freedom of movement, muscular support and comfort

Long sleeve thermal T-shirt and men's high neck skins Carbonyte

The exclusive moisture management system of skins slows down the formation of moisture that undermines energy to help keep you cool, dry and concentrated.

Endura BaaBaa Merino Long sleeve base layer t-shirt

High quality, light merino t-shirt with warmth-to-weight ratio even when wet.

Thermal Pants Helly Hansen

Manufactured with LIFA ® T3TM Hollow Fiber technology to ensure that you remain dry, while the superior Merino wool adds warmth and comfort.

Endura Frontline Interior T-shirt

Polytex ™/LYCRA ® fast-absorbing and super-elastic fabric integrated with an external Nylon/LYCRA ® part for excellent durability and insulation.

To find all the thermal base layer uou only need to visit the search engine and the CoreBicyclecycling product. To use it is very simple: you only have to filter within the category clothes for underwear-thermal and you will be able to find a great variety of thermal garments of the main brands worldwide, for example: Castelli, Endura, Craft, Gore Bike Wear, Odlo, sportful, Assos, Gonso, Northwave, Pearl Izumi, height, skins, DHB, Ronhill, X-Bionic, Mavic... Among many more internationally recognized brands.