Silva Terra Expedition S Sustainable Compass Swimwear the air pocket created by

the air pocket created by the ear cups greatly improves hearing and auditory sense of direction underwater

Also features a 2mm face seal

yet delivering the required air freedivers need to continue their adventure

made from thermoplastic technopolymer provides exceptional performance and durability

Silva Terra Expedition S Sustainable Compass Swimwear the air pocket created byThe Silva Terra Expedition S is your preferred choice if you need a mirror sighting compass with many features. It is high performing when it comes to accuracy, precision, and durability and is developed for experienced users and professionals. Silva Terra Expedition S features easy handling housing, silicon rubber feet for precision map work, detachable safety release scale lanyard, night enabling luminous markings, magnifying lens, map measuring