The new Surveyor is designed for rugged conditions where durable protection is a must and comfort is what keeps feet going well into the eleventh hour. The Quad Core welt platform combines lightweight outsoles, supportive midsoles, pressure point cushioning, stabilizing shanks, shock absorbing layers and cushioning footbeds into one unit to provide the best in comfort, stability and durability. Highly engineered Dry-Core barriers offer 100% waterproof protection and moisture-transfer, keeping you dry and comfortable all day long. Certified to meet ASTM F2413 standards for puncture resistance, meaning that these boots will defend against sharp objects, giving you the confidence to focus on the task at hand. Composite toe meets ASTM F2413 I/75 C/75 standards. Meets or exceeds ASTM class 75 Impact and Compression standards, the highest available strength for impact and compression. Under Class 75 test for impact the boot must withstand a 75 lb. impact with 0.50" clearance. Under Class 75 test for compression the boot must withstand 2,500 lbs. of compression while maintaining at least 0.50" clearance. Puncture resistance meets ASTM F2413-11 testing standards. Electrical hazard protection meets ASTM EH standards.