Sequoia II is a vegan luxury men's slip-on from Saola. Designed with the environment in mind, Sequoia II's upper is made of 4 recycled plastic bottles. The insole is 100% natural cork, harvested algae foam, and EVA. The outsole is made of 20% recycled EVA and rubber for maximum durability.This shoe runs large. Please choose one size smaller than you normally wear.