cutci -cuc- gismu

x₁ is a shoe/boot/sandal for covering/protecting [feet/hooves] x₂, and of material x₃.

Also boot (= tupcutci). See also smoka, taxfu, skiji.

In notes:

skiji: x₁ is a ski/skid/skate/runner for surface (of material) x₂ supporting skier/skater/sled/cargo x₃.
smoka: x₁ is a sock/stocking [flexible foot and lower leg garment] of material x₂.
taxfu: x₁ is dress/a garment/clothing for wearing by x₂ (gender/species/body part) serving purpose x₃.
ctecutci: c₁ is a slipper (shoe primarily for wearing at night) for wearing on [feet/hooves] c₂, made of material c₃.
si'ercutci: c₁ is a snowshoe for covering/protecting feet/hooves c₂, and of material c₃.