UGG Australia Women's Lynnea II Boots Leather Insole: : 4mm latex footbed. Leather lined heel with heat embossed logo and sheepskin forefoot. Outsole: Updated 2  beech wood outsole with molded rubber in the heel and forefoot for traction. Dome shaped nailhead details on midsole. Cuffable mid boot with 7mm curly sheepskin shaft lining Full grain crackle leather with polished finish 8" shaft height extending/5" shaft height cuffed