Related Clues:

• Frappe
• 37-Across material
• What most of hail is
• Epitome of coldness
• Number in a pack?
• Winter walking peril
• Type of cube or chest
• Eldridge Cleaver's "Soul on __"
• Berg material
• Sculpting material, sometimes
• Cooler cubes
• Zamboni surface
• Frost a cake
• Freezer buildup
• Wintry buildup