Vegan and All Natural Breathable Warmth:
 
Triple Layer + Optimal Insulation
 
Top Layer: absorbent felted, quilted, unbleached lamb's wool
Middle Layer: natural cork insulation
Bottom Layer: durable, hard working, pure felted brown wool
 
Together, all three layers of KEEP WARM provide cozy and natural warmth for child's feet, keeping the winter where it belongs: outside of your shoes