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X-BIONIC TERRASKIN X03 are incredibly comfortable and well-cushioned trail running shoes, designed for long training sessions, various terrains, and first ultratrail experiences. They combine the distinctive TerraSkin® control with additional cushioning, a roomier fit, and long-lasting comfort.
Patented SpeedFrame® construction enables vertical shock absorption while stabilizing the foot horizontally. A soft foam core ensures a comfortable landing, and the construction maintains precise control on uneven terrain. For additional support around the heel and Achilles tendon, the 3D HeelCage system provides support.
The outsole SpinWeave® is designed after a spider-web pattern. Adjustable studs respond to the ground shape and, according to the manufacturer, provide up to 27% more ground contact than competing models. The rubber Vibram® MegaGrip provides reliable grip on rocks, forest trails, cobblestones, dirt, and other varied surfaces.
The upper SkinKnit® adapts to the foot shape, enables efficient moisture wicking, and provides good breathability. The Skin-to-Trail connection system links the shoe with the included technical socks X-Socks. Coordinated ventilation zones improve airflow, and GripYarns fibers help limit foot movement inside the shoe.
Model X03 offers the most spacious fit in the TerraSkin family, providing more room in the forefoot and greater comfort as feet swell slightly during long runs. Maximum cushioning, a 6-millimeter drop, and a stable platform allow for a comfortable and safe step even after hours of movement.
These unisex trail running shoes are an excellent choice for beginners, recreational runners, and experienced athletes seeking comfort, stability, and reliable grip over long distances and mixed terrain.
The model generally fits to regular size. X03 has the most spacious forefoot in the TerraSkin collection, thus providing more space for the toes and better comfort on long distances.
| SKU | 62950#07039AA |
| Feature | Data |
| Weight | approximately 319 g |
| heel-to-toe drop | 6 mm |
| Heel height | 34 mm |
| Forefoot height | 27 mm |
| Stud height | 3.5 mm |
| cushioning | maximum – 5/5 |
| Carbon plate | no |
| Fit | more spacious |
| Sex | unisex |
| Purpose | trail running and ultratrail |
| Recommended distance | long distances and 80+ km |
| Recommended surface | mixed and varied terrain |
| Upper | 65% polyester / 35% TPU |
| Midsole | 100% EVA |
| Outsole | 100% rubber |
| Included socks | 84% polyamide / 11% polypropylene / 5% elastane |
| EU size | UK | US men | US women | Foot length (cm) |
|---|---|---|---|---|
| 36 2/3 | 4 | 5 | 6 | 22,8 |
| 37 1/3 | 4,5 | 5,5 | 6,5 | 23,2 |
| 38 | 5 | 6 | 7 | 23,6 |
| 38 2/3 | 5,5 | 6,5 | 7,5 | 24 |
| 39 1/3 | 6 | 7 | 8 | 24,4 |
| 40 | 6,5 | 7,5 | 8,5 | 24,9 |
| 40 2/3 | 7 | 8 | 9 | 25,3 |
| 41 1/3 | 7,5 | 8,5 | 9,5 | 25,7 |
| 42 | 8 | 9 | 10 | 26,1 |
| 42 2/3 | 8,5 | 9,5 | 10,5 | 26,5 |
| 43 1/3 | 9 | 10 | 11 | 27 |
| 44 | 9,5 | 10,5 | 11,5 | 27,4 |
| 44 2/3 | 10 | 11 | 12 | 27,8 |
| 45 1/3 | 10,5 | 11,5 | 12,5 | 28,2 |
| 46 | 11 | 12 | 13 | 28,7 |
| 46 2/3 | 11,5 | 12,5 | 13,5 | 29,1 |
| 47 1/3 | 12 | 13 | 14 | 29,5 |
| 48 | 12,5 | 13,5 | 14,5 | 30 |
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If the product is in stock, we ship it the same day or at the latest the next business day after receiving your payment; GLS delivery takes 3–7 business days. Delivery within Slovenia is free for orders over 100 €.
Yes, within 14 days of receipt — the goods must be unused and in their original packaging. The process is described on the Returns page.
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