LL Bean Kids' Waterproof Trail Model Hikers Tek2.5,Twilight Blue-Size K1 Details: Breathable polyester mesh and waterproof suede upper. Nylex lining. Cushioned EVA midsole and removable EVA footbed provide noticeable comfort, right out of the box. Heel and toe bumpers add durability. Lace-up style for a custom fit. TEK2.5 waterproofing ensures feet will stay dry in all conditions. Trail Trac rubber outsole features a versatile lug pattern for traction on a variety of surfaces.