Amazon.com | Gravity Defyer g-defy Mateem | Slip Resistant 。Gravity Defyer Ion athletic shoes in black offer advanced comfort and support for active lifestyles. These performance sneakers feature patented VersoShock trampoline technology in the sole, specifically designed to absorb impact and provide pain relief for the knees, back, and feet. The upper is constructed from breathable mesh for optimal ventilation, while the roomy toe box ensures a comfortable fit that reduces stress on the forefoot. Equipped with a slip-resistant outsole that meets ASTM F2913-11 standards, these shoes provide reliable traction on various surfaces, making them ideal for both work and casual wear. The lace-up closure and padded collar offer a secure and supportive feel throughout the day. Please see pictures for condition and size before purchasing. Any flaws or signs of wear are shown in the photos.