B U C I IBIS PONCHO SET IN IVORY XS/S $395.00 msrp The Ibis Poncho Set in Ivory is a sheer two-piece set made from 100% silk and a matching ponte twist tie top. It's lightweight, airy, and intentionally sheer. The poncho is 100% Silk while the Twist Tie Top is 65% LENZING™ ECOVERO™ Viscose, 30% Nylon, 5% Spandex