Threadbare Sandals Abel Sn99. Gladiator Slip-On Sandals - Black - 9. Add a timeless touch to your summer wardrobe with these classic sandals from Threadbare. Crafted from faux leather, these Roman-style sandals feature three straps and a central panel for a secure fit. A faux leather insole provides comfort, while the durable rubber sole offers flexibility and grip. Easy to slip on, they are perfect for warm-weather styling.