MEN'S BOULDER BOOT NYLON This natural foot-shaped boot has become the go-to for travelers looking to save space and weight while on the go. ULTRA LIGHTWEIGHT These everyday shoes are some of the lightest on the market and are intended to feel like you're wearing nothing at all. FIT + Sizing Some customers find that they need to order UP 1/2 size from their normal US size. As with all Lems shoes, if you find you need more space inside the shoe, you can remove the insoles. Upper: Leather + 1200 denier nylon Lining: 100% polyester Outsole: 9.0mm LemsRubber™ (air-injection rubber) Insole: 3.5mm removable moisture wicking PU insole Stack Height: 10.0mm (not including 3.5mm insole) Drop: 0.0mm (Zero-Drop) Weight: 9oz (Men's 10) Laces Provided: 2 Vegan Option: Boulder Boot Black and Pinecone Additional Info: Leather on Smoke will intentionally distress with wear