Ethylene Vinyl Acetate sole NO SHOELACES, EASY TO PUT ON AND TAKE OFF: It's convenient to wear, and you could adjust the size of the safety shoes according to the size of your ankle. KEEP WORK SAFE: Work shoes have ASTM F2413-18 standard steel toe capable of absorbing 200±4 J forces, guarding each move for you. BREATHABLE UPPER: LARNMERN steel toe shoes are made from knit fabric uppers, keeping the feet fresh and comfortable to wear. Reflective webbing for additional safety ARCH SUPPORT: Arch support footbed adapts to the contours of your foot and provides immediate cushioning, ergonomic double density EVA insole, thick material to ensure the comfort of the work shoes PUNCTURE PROOF: The midsole provides puncture resistance of 1100N, protecting your feet from sharp injuries.