Active Open-Tooling Models in Series 04
3 Verified Production Models Available
Dual-Density PU Direct-Injection Shock Absorber Sole
Direct-injection molded dual-density polyurethane. Features a low-density cellular core for energy absorption married to a dense outer tread for long-distance wear life.
| Hardness: | Midsole Shore 38°A / Tread Shore 60°A |
| Abrasion: | DIN 53516: < 80 mm³ |
| Pricing: | $2.40 – $3.90 / pair |
Visible 270° Window Pressurized Air-Cushion Sole Unit
Features a 270° wrap-around pressurized TPU gas bladder engineered to absorb heavy heel impacts. UV-stabilized crystal window resists yellowing and puncture blowout.
| Hardness: | Phylon Carrier 46°C / TPU Air Chamber 15 PSI |
| Abrasion: | DIN 53516: < 85 mm³ on base tread |
| Pricing: | $3.80 – $5.60 / pair |
Biomechanical Rocker-Bottom Anti-Fatigue Sole
Ergonomic rocker-sole architecture with a 15° heel roll and 20° forefoot toe spring. Reduces forefoot plantar pressure by 35%, ideal for nursing and standing professions.
| Hardness: | Shore 43° ± 2°C |
| Abrasion: | DIN 53516: < 90 mm³ |
| Pricing: | $2.20 – $3.60 / pair |
Engineering & Polymer Advantages: Polyurethane (PU) Dual-Density & Air-Cushioned Shock Soles
Eliminates solvent primers and post-cementing glue lines, ensuring 100% zero sole delamination.
Passed 14-day 70°C @ 95% RH accelerated humidity chamber testing without crumbling.
Reduces peak ground impact force by 42% with guaranteed 8.5 bar burst resistance.
Relieves plantar fascia strain by 35%, engineered for nurses, servers, and standing professionals.