High-resolution imaging of grizzly bear guard hairs and undercoat structure
Seasonal Configuration
Hair Density
Primary follicle density measurement
🔬
900-1200 hairs/cm²
Guard Hair Length
Average outer guard hair extension
📏
10-15 cm
Undercoat Density
Insulating layer hair count
🧶
7000-9000 hairs/cm²
Thermal Resistance
R-value thermal insulation rating
🌡️
R-8.2
Water Resistance
International Protection Rating
💧
IPX7
Tensile Strength
Individual guard hair breaking point
💪
124 MPa