The Mallard Waders are constructed of 100% waterproof 3.5mm neoprene,
which stretches for a personalized fit and has a multi-directional
puncture resistant covering for durability. They provide the ultimate
waterproof and insulating protection for cold wading applications. With
1000 G. Thinsulate Ultra Insulation in the boots, these waders keep
feet warm, dry and comfortable.