Summer Silk Duvet – Lightweight & Breathable for Cool ComfortSummer Warmth Fill: Silk fibre Thread count: 250 Tie down 4 corner loops Construction: Karo Stitch which prevents the silk from shifting. Are you finding your down duvet too warm for the summer? If so this is the perfect solution to having the comfort of a duvet with the coolness of silk. Natural, breathable, cool comfort!. Additional Information: Tussah Silk A raw silk made from cocoons of wild moths that eat predominately oak leaves and wild