
Stack profile
30 mm heel / 20 mm forefoot, 10 mm drop
Z-Sole Architecture™
No two Z-Vibe shoes share a sole. Place any two styles side by side and read the unit code, chassis, tread cut, last, stack and lacing in the same order on both columns. Reference specification for design review — not a manufacturing document.
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Stack profile
30 mm heel / 20 mm forefoot, 10 mm drop

Thermal Horizon™
Unit ZT-5041 · Z-Trek™ Cyber-Hybrid Cut
Open the styleStack profile
18 mm heel / 16 mm forefoot, 2 mm drop
Two different chassis families — Z-Air™ cushioned EVA against Z-Trek™ all-terrain exoskeleton, 8 mm apart at the drop.
| Specification | Z-Step Meridian Onyx | Thermal Horizon 2.0 Cyber-Hybrid |
|---|---|---|
| Unit code (differs) | ZA-4088 | ZT-5041 |
| Sole unit (differs) | Z-Air™ Onyx Cut | Z-Trek™ Cyber-Hybrid Cut |
| Chassis system (differs) | Z-Air™ cushioned EVA | Z-Trek™ all-terrain exoskeleton |
| Built for (differs) | long-day rebound under a light shell | caged all-terrain support over broken ground |
| Tread cut (differs) | split-diamond Z lugs stepped in three depths | fractured basalt facets with a polished torsion spine |
| Last shape (differs) | squared architectural last with a chiselled toe box | high-walled bootie last with a wrapped ankle cradle |
| Stack & drop (differs) | 30 mm heel / 20 mm forefoot, 10 mm drop | 18 mm heel / 16 mm forefoot, 2 mm drop |
| Bogolan lacing (differs) | round braided Bogolan cord over a waxed core, aged-gold aglets | narrow Bogolan ribbon lace with a hand-knotted stopper |
| Side signature | Diamond Z lateral · Z-VIBE medial | Diamond Z lateral · Z-VIBE medial |
| Register (differs) | Z-Step™ | Thermal Horizon™ |