Lacrosse 1,000 Gram Thinsulate Ultra Mallard II Expandable Waders. Impervious armor for the mighty hunter... with an expandable upper for a just-right fit! Naturally-insulated neoprene meets an outer layer of LaCrosse's abrasion-resistant Brush Tuff material. This brings an added measure of in-the-field toughness to neoprene's stretchy, personalized fit! And speaking of fit, expandable uppers adjust to give you a little more room to work with when needed. Add to all that the 1,000-gram Thinsulate Ultra Insulation in the boots, and these Waders provide the performance needed in all cold-water environments.Features: 3.5mm stretch insulating neoprene construction 1,000 gram Thinsulate Ultra Insulation boot for warmth Swamp-Lite outsole provides superior traction in snow, mud and loose terrain 100% waterproof protection Brush Tuff bi-directional material is abrasion resistant Polyurethane protective coating on knees and seat Removable EVA insole provides comfort Buckled straps create a belt when folded down Front top loading pocket, call holder and hand warmer pocket Expandable with 16" torso length and additional room in the thighState Size, as available in the Shopping Cart.