The facts.
| Manufacturer | Spidi |
|---|---|
| Weight | Average 0.2 kg |
| Materials | Polypropylene microfibre fabric: breathable, low weight, high moisture transport, crease-resistant; stretch fabric; perforated mesh |
| Intended Use | Track/Trackday; sporty road; daily commuting/touring |
DescriptionThe whole story▼
When lap times matter and the track temperature drops, your base layer becomes your first line of defence against fatigue and cold. The Spidi Thermo Base Layer Trousers (L74172) are engineered for women who refuse to let cool conditions compromise their performance — whether that means pushing hard on a trackday or grinding out a long touring day in the shoulder season.
Key Features
- Polypropylene microfibre fabric actively wicks moisture away from the skin, keeping you dry and focused across every session
- CoolDry functional material accelerates evaporation so the garment dries rapidly between stints — no clammy discomfort on repeat trackdays
- Perforated mesh panels promote airflow in high-heat zones, balancing warmth retention with ventilation
- Four-way stretch construction moves with the body rather than against it, eliminating resistance during aggressive riding positions
- Anatomically tailored women's cut with an elasticated waistband sits flush under tight-fitting race leathers without bunching or pressure points
- Ultralight build averaging just 0.2 kg means no perceptible bulk under your suit
Performance Fabric Technology
Three distinct fabric technologies work in concert across the Spidi Thermo Trousers. The primary polypropylene microfibre shell is breathable, crease-resistant and featherlight — properties that matter on track where comfort directly affects concentration. The integrated stretch panels allow the full range of motion demanded by a sporty riding position, while the perforated mesh sections manage localised heat build-up without sacrificing the garment's core thermal function.
The result is a stable microclimate for the lower body: warm enough to protect muscle performance in cool or cold conditions, dry enough to prevent the chilling effect of sweat saturation during harder efforts.
Ergonomics and Women's Fit
Spidi have designed the Thermo Trousers specifically around female anatomy rather than cutting down a unisex pattern. The anatomical shaping, elasticated waistband and high stretch-fabric content combine to deliver a second-skin fit that stays in place through every corner without creating pressure points under a one-piece race suit or two-piece leather combination. Reduced rider fatigue on longer sessions is a direct consequence of getting the base layer fit right.
Complete Base Layer System
Paired with the Spidi Thermo Chest women's top, the Thermo Trousers form a coherent base layer system designed to regulate body temperature evenly from shoulder to ankle. The top concentrates thermal management on the core and upper body; the trousers extend that protection across the lower body and legs, together delivering a consistent microclimate that keeps the rider comfortable and focused throughout the ride.
- Top: thermal regulation for core and upper body
- Trousers: continuous protection from waist to ankle
- System: even body climate and maximised comfort across all conditions
Intended Use
- Track and Trackday use
- Sporty road riding
- Daily commuting and touring
Care Instructions
- Hand wash recommended
- Do not bleach
- Air dry only
- Do not iron (if necessary, use low temperature setting)
- Do not dry clean
- Do not wring
Fitment and Compatibility
The Spidi Thermo Trousers L74172 are designed to be worn as a base layer beneath any close-fitting motorcycle suit or textile jacket and trousers combination. Available in sizes XS through XL to suit a wide range of riders. Designed specifically for women.
Specifications
| Specification | Detail |
|---|---|
| Manufacturer | Spidi |
| Weight | Average 0.2 kg |
| Materials | Polypropylene microfibre fabric: breathable, low weight, high moisture transport, crease-resistant; stretch fabric; perforated mesh |
| Intended Use | Track/Trackday; sporty road; daily commuting/touring |
What's includedEverything in the box▼
- 1x Thermo base layer trousers
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Measure your head circumference about one centimetre above your eyebrows and compare it with the size chart on this page. Between sizes? Choose the smaller one — the padding beds in with use.
Yes — it’s tested and approved to the current ECE 22.06 standard and road-legal across the EU.
Most of our touring and sport helmets are Pinlock-ready and many include the insert. Check the ‘What’s in the box’ section on this page for this model.
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Take out the washable lining and hand-wash it in lukewarm water. Clean the shell and visor with a soft cloth and water only — never solvents.
Our team will personally help you choose the right gear or part — around 24h for a reply.