The new lightweight rubber sole offers durability and is slip-resistant. The toe cap protects against abrasion. The heel includes support for the fin strap. The long zipper makes putting the boot on easy and is secured with a Velcro flap. The new logo design is color-coded for size differentiation. Made from X Foam, a petroleum-free, limestone-based neoprene that complies with strict PAH and REACH regulations.