The tough, durable construction and supportive interior comfort of the Carolina 6" Waterproof Carbon Composite Toe Hiker Flagstone work boot lets you work your hardest every day. Style number: CA5525 Carbon Composite Safety Toe features a carbon fiber weave construction that reduces toe cap weight while maintaining strength to meet the ASTM F2412 -18a & ASTM F2413-18 Standards for compression and impact testing rating of I-75/C-75. Vortex Great Wall leather upper. Waterproof construction with SCUBALINER lining system keeps out the wet elements for a comfortably dry yet breathable foot environment. Traditional lace-up design with sturdy fabric laces and non-metallic hardware for a secure fit. Cement construction provides long-lasting flexibility and durability. Durable 4x4 Tiger Tip rubber toe guard protects against abrasions. Breathable mesh lining for all-day comfort. Removable EVA footbed provides excellent underfoot support and cushioning. Non-metallic shank for lightweight stability. Cushioned EVA midsole allows for added shock absorption. Electric Hazard Resistance testing ASTM F2412 -18a & ASTM F2413-18 and can withstand applications of 14,000 volts at 60hz for one minute without leakage. Heavy duty rubber outsole is oil and slip resistant that meets or exceeds ASTM F 1677 testing.