Thermal Leggings Black Crystal
Excellent quality and how we
test it at UTOPY
Product quality is the foundation we build on. We value our customers and want to spare you the inconvenience of dealing with warranty claims.
That's why we take great care with quality checks, even if our methods are sometimes unconventional. We like to be sure.
Indestructible seams
Before putting a new product into production or introducing an improvement, we always make samples and put them through their paces. With leggings, we focus mainly on the seams. In practice, we stretch the leggings in every direction, then apply even more pressure to all the areas where the fabric is stitched together.

Original patterns We design our own patterns that you won't find anywhere else. Every piece is an original with its own distinctive style.

Digital printing We use modern printing techniques for lasting, vibrant colours. The patterns stay vivid even after many washes.

Production We sew our products in the Czech Republic with a focus on quality. Every piece passes through the hands of experienced seamstresses.
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Product detailed description
Material
Glow thermal leggings fabric is a warp knit weighing 275 g/m², made from 85 % polyester and 15 % elastane. Its brushed reverse feels warm, giving you cosy fabric on the inside of your leggings.
Fit and sizing
You'll find Black Crystal in sizes XS–4XL in the UTOPY thermal leggings range. We adjust the print separately for each size to keep its key elements in place.
The print
Triangles and irregular polygons resemble crystal facets in black, grey and silver; this original design was created at UTOPY Studio. Sublimation transfers the design directly into the fibres: the colour becomes part of them, rather than a layer on the surface. You won't feel the print against your skin, and there's no surface layer to peel or wash off.
Care
Wash at 30 °C without bleach. Leave your leggings to air dry after washing, without using a tumble dryer. With the recommended care, the colours stay vibrant through years of wear and washing.
Additional parameters
| Category: | UTOPY Thermal Leggings – Warm Leggings for Winter Sport |
|---|---|
| EAN: | 8596267008658 |
| Material: | Polyester |
| Colour: | Black, Grey, Silver |
| Edition: | Polygon |
| Suitable for: | Exercise, Yoga, Running |
| Finish: | Thermal, Insulated |
| Use: | Sport, Leisure, Fitness |
| Material properties: | Warm, Brushed inside |
| Rise: | Higher rise |
| Country of manufacture: | Czech Republic |
| Key features: | Sturdy and soft to the touch, Adapts to your figure, Thermal fabric |
| Washing: | 30 °C |
| Printing method: | Sublimation |
| Size chart: | /size-guides/size-chart-thermal-leggings/ |
| UTOPY material: | Glow |
| Composition: | 85 % polyester, 15 % elastane |
| Fabric weight: | 275 g/m² |
Product rating
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