The 4mm Base boot is an economical and durable boot built for temperate water diving and the rental market. The newly designed lightweight rubber sole is durable yet flexible while providing an effective anti-slip tread. Rubberized armor on the toe and heel cap offer lots of protection without sacrificing comfort. A new logo design color-coded for size differentiation is ideal for diving operations and rental applications NEW lightweight rubber sole provides durability and comfort along with an effective anti-slip tread. The toe cap protects against abrasion from the edge of the fin pocket. Heel cap includes a molded fin strap keeper. The long zipper makes it easy to put the boot on and secures with a Velcro tab. NEW logo design is color-coded for size differentiation. Made from X-Foam, a petroleum-free, very specific limestone-based neoprene complying with strict PAH and REACH regulations.