3M® Thinsulate (200 grams) keeps feet warm even in damp conditions. 5 1/4" Shaft Height. EVA foam midsole for cushioning. Full grain leather upper. Nylon stability shank embedded into midsole supports the arch and helps create a smoother gait. Ortholite® foam insert delivers odor resistance, long term comfort, and superior breathability. Removable EVA footbed. Rubber outsole. Seam-Sealed Waterproof Construction. Textile Lining. Zip closure.