Breathable membrane Traction rubber outsole Padded collar 800 grams thinsulate insulation The Big Buck is one tough and lightweight hunting boot. With 800g of Thinsulate Ultra Insulation, a breathable waterproof membrane and a leather accent trim the Big Buck is a durable boot for any type of hunting. The dual padded collar, comfort cushion insole and traction rubber outsole will keep you comfortable and in the field all day.