Sale! Select options Superzip Ergo Boot 5mm ฿ 1,760 RRP ฿ 1,672 RRP Aqua Lung Aqua Lung has added comfort and warmth to your diving experience with its line of Ergo Boots. The Ergo boots unique cut results in a boot that is better fitting with a footbed and outsole cut to match the profile of your foot. The Ergo design eliminates excess water, allowing your feet to remain warmer through your dive. In addition, the seam cuts on the boot are placed away from the widest parts of your feet, minimizing the chances of seam abrasion.