Amazon.com | FLUX FOOTWEAR Adapt Knit Trainer – Wide Toe Box 。Flux Footwear Black Adapt Knit Trainers Mens Size 12 - Run True to Size -Wide Toe Box Shoe with Earth-Link Grounding -Zero-Drop Sole -Breathable Knit Upper & Machine Washable -Great for cross-training, lifting, running, or casual everyday wear. Sole material: Rubber Outer material: Conductive Rubber Inner material: Breathable Fabric, Cushioned Insole Closure type: Lace-Up Excellent pre-owned condition. (See photos for exact cosmetic condition). 5 Star Seller, Packaged with Care, Ships Same/Next Day, Bundle & Save, Offers Welcome!