Features: -Waterproof synthetic leather and water repellent ripstop nylon -Double hook-and-loop closure -High visibility reflective inserts -Large opening for easy donning Insulation -Removable and flexible insulating felt slipper -Removable, insulating and moisture-trapping felt insole Shell - Ultra light, waterproof, flexible and insulating EVA base - Anti-accumulation natural rubber sole, light, non-slip and non-marking