3mm NRS Boundary Socks with HydroCuff Waterproof and warm, these 3mm NRS Boundary Socks offer amazing protection from the wet and cold! Made of 3mm neoprene with titanium laminate adhesive, these socks also have sealed and taped seams that keep water from seeping in. The HydroCuff neoprene creates a comfortable seal around the calf which keeps the sock up and seals the water out. Other great features include: 18 inch height and a three-panel construction thats comfortable! Rock Solid Guarantee: NRS guarantees all products to the original owner against defects in materials and workmanship. If at any time you re not satisfied with the performance of an NRS product, please contact Wetsuit Wearhouse or contact NRS directly for an evaluation. If NRS finds a product to be defective, they will at their option repair it, replace it, or refund the purchase price. NRS will not be responsible for any consequential or incidental damages caused by or resulting from the use or performance of NRS products. Chlorine damage is not covered.