New UGG Mariko Boots, Color: Chestnut, sizes: 8 & 9. The UGG Mariko provides all day warmth as the upper is made out of twinface sheepskin. Each step is cushioned as the women's UGG boot provides UGGpure™ insole. The UGGpure™ wool lining is moisture-wicking. The molded EVA outsole is ensured with a patent-protected tread design for traction and slip resistance. Twinface Sheepskin Pull-On Style Side Knot. Shaft Height: 7 1/2" (Size 8). Outsole: EVA.