Quick Summary
The CYCYHEAT RTAX-021P is a pair of black, size XS heated softshell trousers. Eight carbon-fibre heating zones and separate controls for the abdomen, knees and calves let you set warmth across those areas. The listing specifies a rechargeable 7.4 V, 20,000 mAh battery; check whether it is included with the selected configuration.
Key Details
| Detail | Product information and buyer relevance |
|---|---|
| Model and variant | RTAX-021P, black, size XS. Check the size and colour for the exact version you are considering. |
| Heating zones | Eight carbon-fibre zones are described across the lower abdomen, hips, knees and calves. |
| Controls and settings | Four buttons comprise a power button and three zone controls. Three heat settings are listed: 50-55°C, 45-50°C and 40-45°C, with red, blue and green indicator lights respectively. |
| Battery specification | A rechargeable 7.4 V, 20,000 mAh battery with an LED power indicator is specified. The listing claims up to 11.3 hours of heating, depending on the setting; actual duration may vary. |
| Battery size and weight | Listed as 4.3 x 2.7 x 1.1 inches and 0.74 lb. |
| Fabric description | Described as softshell, windproof, breathable and water-resistant. No water-resistance rating is given. |
What to Compare Before Buying
- Fit: XS is the identified size. Check the sizing information for the exact version and allow for any layers you expect to wear underneath.
- Battery and charging: Confirm whether the battery and charger are included. Charger power is given inconsistently, so check the charging specification for the selected configuration.
- Water protection: The listing uses both “waterproof” and “water-resistant” wording without a rating. Do not rely on waterproof performance unless a clear rating is provided.
- Heat controls: Check that the independently controlled areas and listed temperature ranges suit your intended use. The stated maximum battery duration depends on the setting.
Choosing the Correct Version
The listing describes the trousers as suitable for men and women, but identifies this version as size XS. Check the fit and exact model rather than assuming the sizing is the same across colours or other versions.
Before You Decide
Confirm the fit, what battery and charging equipment are included, and the water-protection details. Follow the product-specific instructions for wearing and charging heated clothing.








