8" Heel, 4" PF Lace-Up Stretch Knee Boot, Side Zip8" Heel, 4" PF Lace-Up Stretch Knee Boot, Side Zip8" Heel, 4" PF Lace-Up Stretch Knee Boot, Side Zip8" Heel, 4" PF Lace-Up Stretch Knee Boot, Side Zip8" Heel, 4" PF Lace-Up Stretch Knee Boot, Side Zip8" Heel, 4" PF Lace-Up Stretch Knee Boot, Side Zip