Heavy-weight 5mm neoprene with abrasion-resistant, bi-directional Brush-Tuff facing, heavy-weight full fleece lining. 1200g Thinsulate Ultra Insulation in boot. Ozone-resistant rubber boot bottom with 9mm felt midsole. ATS outsole, steel shanks and EVA footbed. Hard-wearing double stitched seams. Reversible suspender buckles create a <em>belt</em> when folded down. Deep-set pocket with removable fleece-lined hand warmer includes top-loading cargo pocket. Attached shell holder loops. Extra abrasion-resistant