
CHALLENGER RUBBER
Fit for Work!
The HKS Challenger Rubber collection is the slip-resistance specialist of the Challenger family, built around a proprietary rubber compound for professionals exposed to oil, grease and contact heat up to 300 degrees Celsius.

Challenger Rubber Sole Compound
Special rubber blend delivering exceptional slip resistance and grip on smooth, wet, oily and slippery surfaces; resistant to contact heat up to 300 degrees C.
Challenger Rubber Sole Compound
HKS Patented Technology
Key Benefits
Extreme Slip Resistance
SRC-certified rubber compounds for excellent grip in wet, oily and extreme-condition environments.
Durability & Longevity
Very high durability via reduced abrasion, plus superior heat and cold resistance.
Comfort & Flexibility
POWER FOAM cushioning paired with lightweight, elastic rubber soles for maximum freedom of movement.
Sustainability
Made in Germany, 76% recycled-content insoles, OEKO-TEX certified, 100% recyclable packaging.
Construction Details
Rubber-Nitrile Compound
High-performance rubber blend offering exceptional cut resistance, mechanical durability and chemical resistance (acids/bases) while staying elastic with low abrasion wear.
POWER FOAM
Cushioning technology delivering shock absorption and energy return for long-shift comfort.
Cool-Mesh Functional Lining
Breathable mesh maximizing airflow and foot-climate regulation throughout the day.
All Features
Properties
- SRC highest slip resistance
- Ergonomic toe cap
- ESD / antistatic
- Oil & fuel-resistant sole
- Water-repellent upper
- Optional midfoot protection
Comfort
- POWER FOAM optimal cushioning
- Seam-free construction
- Padded collar / shaft
- Reinforced heel counter
- Heel slip prevention
- Cool-Mesh lining
- Cool Dry climate technology
Sustainability
- Made in Germany
- 76% recycled-content insoles
- Fair / ecological supply chain
- OEKO-TEX materials
- Recycled TPU surplus sole
- PU upcycling
- 100% recyclable packaging
Health
- DGUV Rule 112-191 orthopedic adaptation
- Multi-Support footbed
- Optional multi-width insole system
CHALLENGER RUBBER Products
13 models available
S1PCPO-10 R
Half-Boot Design · S1P Protection · Ankle Support
S1PCPO-55 R
Half-Boot Design · S1P Protection · Ankle Support
S3CPO-10 BOA R
BOA® Fit System · Half-Boot S3 · ESD
S2CPO-30 R
Half-Boot S2 · SRC Slip Resistance · ESD
S1PCPO-45 BOA R
BOA® Fit System · S1P Protection · Rubber Sole
S3CPO-50 R
Half-Boot S3 · Ankle Support · ESD
S3CPO-50 BOA R
BOA® Fit System · S3 Half-Boot · Ankle Support
S1PCPO-15 R
Half-Boot S1P · Ankle Support · ESD
S3Rodeo ORTP
ORTP Wide Fit · S3 Protection · Leather Upper
S3Rock ORTP
ORTP Wide Fit · S3 Protection · Leather Upper
S3Rider ORTP
ORTP Wide Fit · S3 Half-Boot · Leather Upper
S2Rodeo R
S2 Water Resistance · Rubber Toe Cap · Anti-Static
S2Rock R
S2 Water Resistance · Rubber Toe Cap · Anti-Static
Extreme grip on wet, oily and slippery surfaces — engineered for the toughest environments.
Heat-resistant to 300 degrees C with reduced-abrasion durability that outlasts standard safety footwear.
German-engineered comfort meets sustainability — 76% recycled materials with SRC slip resistance.
Target Industries
Find the Right Model
Choose the safety shoe that fits your needs from the CHALLENGER RUBBER collection.