Z-Sole Architecture™

Compare two soles.

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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Z-Step Meridian Onyx — studio photograph

Z-Step™

Z-Step Meridian Onyx

Unit ZA-4088 · Z-Air™ Onyx Cut

Open the style

Stack profile

30 mm20 mm

30 mm heel / 20 mm forefoot, 10 mm drop

Thermal Horizon 2.0 Cyber-Hybrid — studio photograph

Thermal Horizon™

Thermal Horizon 2.0 Cyber-Hybrid

Unit ZT-5041 · Z-Trek™ Cyber-Hybrid Cut

Open the style

Stack profile

18 mm16 mm

18 mm heel / 16 mm forefoot, 2 mm drop

Line by line

9 of 10 lines differ

Two different chassis families — Z-Air™ cushioned EVA against Z-Trek™ all-terrain exoskeleton, 8 mm apart at the drop.

Sole specification for Z-Step Meridian Onyx compared with Thermal Horizon 2.0 Cyber-Hybrid
SpecificationZ-Step Meridian OnyxThermal Horizon 2.0 Cyber-Hybrid
Unit code (differs)ZA-4088ZT-5041
Sole unit (differs)Z-Air™ Onyx CutZ-Trek™ Cyber-Hybrid Cut
Chassis system (differs)Z-Air™ cushioned EVAZ-Trek™ all-terrain exoskeleton
Built for (differs)long-day rebound under a light shellcaged all-terrain support over broken ground
Tread cut (differs)split-diamond Z lugs stepped in three depthsfractured basalt facets with a polished torsion spine
Last shape (differs)squared architectural last with a chiselled toe boxhigh-walled bootie last with a wrapped ankle cradle
Stack & drop (differs)30 mm heel / 20 mm forefoot, 10 mm drop18 mm heel / 16 mm forefoot, 2 mm drop
Bogolan lacing (differs)round braided Bogolan cord over a waxed core, aged-gold agletsnarrow Bogolan ribbon lace with a hand-knotted stopper
Side signatureDiamond Z lateral · Z-VIBE medialDiamond Z lateral · Z-VIBE medial
Register (differs)Z-Step™Thermal Horizon™