KEEN slip-ons, featuring a gray and blue color scheme and a comfortable design made of synthetic fiber. - Brand: KEEN - Color: Gray/Blue - Style: Slip-on - Material: Synthetic Fiber - Sole Type: Rubber Sole Thank you for viewing. Purchased three years ago. Shows some signs of wear. Please see the images. Would these be suitable for work, etc.? Due to shipping costs, I cannot offer a discount.