Ottolinger Drape Lounge Pants Black. Berlin-based label Ottolinger is a collaboration between Swiss-born designers Christa Bösch and Cosima Gadient. Guided by an unblinking femininity liberated from the constraints of gender and the conventions of tradition, the German brand is a fusion of rebellious spirit and meticulous craftsmanship. These extra-long drape pants feature an asymmetric waistband and flared leg. Made from 85% Organic Cotton, 9% Polyamide, and 6% Elastane, these pants boast an extra-long flared leg and a unique draped construction.