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THE LEATHER SYSTEM

Designed material standards

Leather Class I

Full-Grain · Grade A

Leather Class II

Engineered · Cow Leather

Leather Class III

Advanced Engineered

Leather Class IV

True Exotic

Leather Class V

Rare Exotic Cut
Material Type
Grade A Full-Grain Cowhide
Engineered Grade A Full-Grain Cow Leather
Advanced+ Engineered Grade A Full-Grain Cow Leather
Genuine Exotic Hide
Advanced+ Rare Genuine Exotic Cut
Durability Profile
High
High
Very High
Moderate
Moderate
Aging Behavior
Develops patina over time
Maintains original texture
Ages evenly and slowly
Evolves with wear
Evolves uniquely
Maintenance Required
Regular light care
Regular light care
Regular light care
Care required to preserve scales
Care required to preserve scales
Primary Use
Daily wear
Everyday wear
Special occasions (All-Day Wear)
Rare occasions
Collector-level wear
Availability
Widely available
Widely available
Limited runs
Limited runs
Extremely limited
Welt Construction
Goodyear welted
Goodyear welted
Goodyear welted
Goodyear welted
Goodyear welted
Nails / Fastening
(8) Traditional brass or steel nails
(8) Traditional brass or steel nails
(8) Traditional brass or steel nails
(8) Traditional brass or steel nails
(16) Traditional brass & steel nails
Cartie Comfort Pro™ Insoles
✓
✓
✓
✓
✓
Goodyear Welt® Construction
✓
✓
✓
✓
✓
SpineGuard®
✓
✓
✓
✓
✓

Leather Class I

Full-Grain · Grade A

Material: Grade A Full-Grain Cowhide

Durability: High

Aging: Develops patina over time

Maintenance: Regular light care

Use: Daily wear

Availability: Widely available

Construction: Goodyear welted

Nails: (8) Brass or steel

✓ Comfort Insoles · ✓ SpineGuard

Leather Class II

Engineered · Cow Leather

Material: Engineered Grade A Full-Grain

Durability: High

Aging: Maintains original texture

Maintenance: Regular light care

Use: Everyday wear

Availability: Widely available

Construction: Goodyear welted

Nails: (8) Brass or steel

✓ Comfort Insoles · ✓ SpineGuard

Leather Class III

Advanced Engineered

Material: Advanced+ Engineered Full-Grain

Durability: Very High

Aging: Ages evenly and slowly

Maintenance: Regular light care

Use: All-Day Wear

Availability: Limited runs

Construction: Goodyear welted

Nails: (8) Brass or steel

✓ Comfort Insoles · ✓ SpineGuard

Leather Class IV

True Exotic

Material: Genuine Exotic Hide

Durability: Moderate

Aging: Evolves with wear

Maintenance: Preserve scales

Use: Rare occasions

Availability: Limited runs

Construction: Goodyear welted

Nails: (8) Brass or steel

✓ Comfort Insoles · ✓ SpineGuard

Leather Class V

Rare Exotic Cut

Material: Advanced+ Rare Genuine Exotic

Durability: Moderate

Aging: Evolves uniquely

Maintenance: Preserve scales

Use: Collector-level wear

Availability: Extremely limited

Construction: Goodyear welted

Nails: (16) Brass & steel

✓ Comfort Insoles · ✓ SpineGuard