{"product_id":"double-k-freediving-buoy","title":"Double K - Freediving Buoy","description":"\u003ch2\u003eDouble K Freediving Buoy\u003c\/h2\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003ePRE-ORDER NOW! (delivery ~ end. August)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eDouble K Freediving Buoy\u003c\/strong\u003e is a large, practical training buoy for freediving, line diving, depth sessions and open-water training. It is designed as a stable surface platform for preparation breathing, recovery breathing, gear storage and line connection.\u003c\/p\u003e\n\u003cp\u003eA good freediving buoy is not just something that floats. It should give divers a clear surface station, enough grip points, space for essential equipment and a reliable way to connect the dive line. The Double K Buoy is built around exactly that: \u003cstrong\u003estorage, handling, drainage and line setup\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eAt Kaluna Freediving, we offer the buoy in \u003cstrong\u003eWhite\u003c\/strong\u003e and \u003cstrong\u003eSky\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c!-- IMAGE PLACEMENT:\nUse the main front\/back product image in the Shopify product gallery.\n\nRecommended first gallery image:\ndouble-k-freediving-buoy-sky-front-back-main.jpg\n\nRecommended alt text:\nDouble K Freediving Buoy Sky front and back view\n--\u003e\n\u003ch3\u003eWhy choose the Double K Freediving Buoy?\u003c\/h3\u003e\n\u003cp\u003eThe Double K Buoy is built for real freediving sessions, not just casual floating. It gives you a visible surface point, a place to prepare and recover, practical storage for small equipment and connection points for a proper line setup.\u003c\/p\u003e\n\u003cp\u003eThis makes it especially useful for lake training, open-water depth sessions, coaching, buddy teams and structured line diving.\u003c\/p\u003e\n\u003ch3\u003eMain benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge freediving training buoy\u003c\/strong\u003e for open-water and depth sessions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e70 cm outer diameter\u003c\/strong\u003e with approx. \u003cstrong\u003e27 cm inner opening\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced storage capacity\u003c\/strong\u003e with front pocket for small gear\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMany handles\u003c\/strong\u003e: 8 on the top and 6 on the side\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurved ergonomic handle design\u003c\/strong\u003e for easier grip and handling\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBottom mesh design\u003c\/strong\u003e to support drainage after use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSide stainless-steel D-ring\u003c\/strong\u003e for surface-line or buoy connection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUpper and lower line connection options\u003c\/strong\u003e for different buoy setups\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePVC tarpaulin outer material\u003c\/strong\u003e with PP\/webbing reinforcement\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInner tube system\u003c\/strong\u003e for firm flotation\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eSuitable for preparation breathing and recovery breathing at the surface\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSurface platform for preparation and recovery\u003c\/h3\u003e\n\u003cp\u003eFreediving training needs a stable surface point. The Double K Buoy gives the diver a place to hold, breathe, recover and organize equipment before and after a dive.\u003c\/p\u003e\n\u003cp\u003eThis is especially useful during depth training, where the buoy becomes the centre of the dive setup: the diver prepares at the surface, the line is connected to the buoy, and the buoy marks the training position clearly.\u003c\/p\u003e\n\u003c!-- IMAGE IN DESCRIPTION:\nInsert lifestyle\/open-water image here.\n\nRecommended filename:\ndouble-k-freediving-buoy-open-water-training.jpg\n\nRecommended alt text:\nDouble K Freediving Buoy used during open water freediving training\n\nWhy:\nThis image shows the actual use case: preparation and recovery breathing at the surface.\n--\u003e\n\u003ch3\u003eStorage and handling\u003c\/h3\u003e\n\u003cp\u003eThe front pocket increases storage efficiency and gives you space for smaller training items such as a mask, snorkel, nose clip, small accessories or line-related equipment. This is useful because open-water training quickly becomes messy if everything floats loose around the buoy.\u003c\/p\u003e\n\u003cp\u003eThe buoy also has many handles: \u003cstrong\u003e8 handles on the top\u003c\/strong\u003e and \u003cstrong\u003e6 handles on the side\u003c\/strong\u003e. The curved ergonomic handle layout makes it easier for divers to hold the buoy, reposition it and use it during surface preparation or recovery.\u003c\/p\u003e\n\u003c!-- IMAGE IN DESCRIPTION:\nInsert feature\/checkpoint image here.\n\nRecommended filename:\ndouble-k-freediving-buoy-storage-handles-mesh-dring-features.jpg\n\nRecommended alt text:\nDouble K Freediving Buoy storage handles bottom mesh and D-ring features\n\nWhy:\nThis image explains front storage, handles, bottom mesh and side D-ring in one visual.\n--\u003e\n\u003ch3\u003eBottom mesh and drainage\u003c\/h3\u003e\n\u003cp\u003eThe underside uses a \u003cstrong\u003emesh bottom design\u003c\/strong\u003e. This helps water drain more easily after use and makes the buoy more practical after pool, lake or sea sessions.\u003c\/p\u003e\n\u003cp\u003eThis is a small but important detail. Freediving buoys are often used wet, loaded with gear and then carried back to shore, car or storage. Better drainage means less trapped water and easier handling after training.\u003c\/p\u003e\n\u003ch3\u003eLine connection system\u003c\/h3\u003e\n\u003cp\u003eThe Double K Buoy is designed for connection to a freediving line setup. The product diagrams show both an \u003cstrong\u003eupper connection\u003c\/strong\u003e and a \u003cstrong\u003elower connection\u003c\/strong\u003e, with the upper connection marked as the recommended setup.\u003c\/p\u003e\n\u003cp\u003eA side stainless-steel \u003cstrong\u003eD-ring\u003c\/strong\u003e can be used for surface-line or buoy connection. A carabiner, freediving line and bottom plate are separate parts of the full training setup and should be selected according to your dive site, depth and training style.\u003c\/p\u003e\n\u003c!-- IMAGE IN DESCRIPTION:\nInsert buoy line connection diagram here.\n\nRecommended filename:\ndouble-k-freediving-buoy-line-connection-diagram.jpg\n\nRecommended alt text:\nDouble K Freediving Buoy line connection diagram with upper and lower connection\n\nWhy:\nThis image explains how the buoy connects to a freediving line, bottom plate and carabiner setup.\n--\u003e\n\u003ch3\u003eInner tube inflation\u003c\/h3\u003e\n\u003cp\u003eThe buoy uses an inner tube system. According to the product instruction graphic, the air injector should be fastened to the air inlet of the inner tube and air pressure should be applied until the tube inflates firmly.\u003c\/p\u003e\n\u003cp\u003eFor inflation, Double K recommends using a nearby tire or bike shop if needed. Do not overinflate the tube. Inflate it firmly enough for proper shape and support, but avoid unnecessary pressure.\u003c\/p\u003e\n\u003c!-- OPTIONAL IMAGE IN DESCRIPTION:\nInsert inner tube air injection graphic here if you want the setup instructions directly on the page.\n\nRecommended filename:\ndouble-k-freediving-buoy-inner-tube-air-injection-method.jpg\n\nRecommended alt text:\nDouble K Freediving Buoy inner tube air injection method\n\nWhy:\nThis is useful for setup instructions and reduces customer questions after purchase.\n--\u003e\n\u003ch3\u003eComplete your buoy setup\u003c\/h3\u003e\n\u003cp\u003eThe buoy is the surface platform. For a complete depth-training setup, combine it with the right rope, pulley system, stopper and bottom plate.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca title=\"2bfree Freediving Tauchseil Superstatics marked rope\" href=\"\/en\/products\/2-b-free-freediving-tauchseil-superstatics-markiert\"\u003eFreediving rope\u003c\/a\u003e for setting up a clear and reliable training line.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca title=\"Freediving pulley systems at Kaluna Freediving\" href=\"\/en\/search?type=product%2Carticle%2Cpage\u0026amp;q=pully\"\u003ePulley systems\u003c\/a\u003e for more practical line handling and depth setup.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca title=\"UBA Project B-Happy Bubble Stopper\" href=\"\/en\/products\/uba-project-b-happy-bubble-stopper\"\u003eUBA Project B-Happy Bubble Stopper\u003c\/a\u003e for line stopping and safety setup.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca title=\"Octopus Safety Stopper\" href=\"\/en\/products\/octopus-safety-stopper\"\u003eOctopus Safety Stopper\u003c\/a\u003e for freediving line safety.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca title=\"2bfree Safety Lanyard Stopper\" href=\"\/en\/products\/2-b-free-lanyard-stopper\"\u003e2bfree Safety \/ Lanyard Stopper\u003c\/a\u003e for line and lanyard organization.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca title=\"Octopus Bottom Plate\" href=\"\/en\/products\/octopus-bottom-plate\"\u003eOctopus Bottom Plate\u003c\/a\u003e for a complete vertical dive-line setup.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical details\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eDouble K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eProduct\u003c\/th\u003e\n\u003ctd\u003eFreediving Buoy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eProduct type\u003c\/th\u003e\n\u003ctd\u003eFreediving training buoy \/ line diving buoy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eRecommended use\u003c\/th\u003e\n\u003ctd\u003eFreediving, depth training, line diving, open-water training, preparation breathing and recovery breathing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eOuter diameter\u003c\/th\u003e\n\u003ctd\u003eApprox. 70 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eInner opening\u003c\/th\u003e\n\u003ctd\u003eApprox. 27 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eOuter material\u003c\/th\u003e\n\u003ctd\u003ePVC tarpaulin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eEdging \/ reinforcement\u003c\/th\u003e\n\u003ctd\u003ePP, webbing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eBottom\u003c\/th\u003e\n\u003ctd\u003eMesh bottom for drainage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eD-ring\u003c\/th\u003e\n\u003ctd\u003eStainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eHandles\u003c\/th\u003e\n\u003ctd\u003e8 top handles and 6 side handles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eStorage\u003c\/th\u003e\n\u003ctd\u003eFront pocket for enhanced storage capacity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eLine connection\u003c\/th\u003e\n\u003ctd\u003eUpper connection recommended; lower connection possible depending on setup\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eColours offered by Kaluna\u003c\/th\u003e\n\u003ctd\u003eWhite, Sky\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eKaluna Freediving Opinion\u003c\/h3\u003e\n\u003cp\u003eThis is a strong buoy for freedivers who train seriously in open water. The biggest advantages are the practical storage, the many handles, the mesh bottom and the line-connection layout.\u003c\/p\u003e\n\u003cp\u003eFor Swiss lake training, coaching sessions and structured depth training, this kind of buoy makes far more sense than a simple inflatable swim buoy. You can organize equipment, connect your line system and use the buoy as a real surface station.\u003c\/p\u003e\n\u003cp\u003eThe correct setup matters. A buoy alone is not a complete depth system. Pair it with a proper freediving rope, stopper, pulley system and bottom plate if you want a clean and safe training line.\u003c\/p\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the Double K Freediving Buoy used for?\u003c\/summary\u003e\n\u003cp\u003eIt is used as a surface platform for freediving, depth training, line diving, preparation breathing, recovery breathing and open-water training.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow big is the buoy?\u003c\/summary\u003e\n\u003cp\u003eThe product diagram shows an outer diameter of approximately 70 cm and an inner opening of approximately 27 cm.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDoes the buoy have storage?\u003c\/summary\u003e\n\u003cp\u003eYes. The buoy has a front pocket designed to increase storage capacity for smaller equipment and training accessories.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow many handles does the buoy have?\u003c\/summary\u003e\n\u003cp\u003eThe product graphic shows 8 handles on the top and 6 handles on the side.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDoes the buoy drain water?\u003c\/summary\u003e\n\u003cp\u003eYes. The bottom uses a mesh design to help water drain after training.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I connect a freediving line to the buoy?\u003c\/summary\u003e\n\u003cp\u003eYes. The buoy is designed for line connection. The product diagram shows upper and lower connection options, with the upper connection marked as recommended.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat do I need for a complete line-diving setup?\u003c\/summary\u003e\n\u003cp\u003eFor a complete setup, combine the buoy with a freediving rope, pulley system, stopper and bottom plate.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow should I inflate the buoy?\u003c\/summary\u003e\n\u003cp\u003eFasten the air injector to the air inlet of the inner tube and apply pressure until the tube inflates firmly. Double K recommends using a nearby tire or bike shop if needed.\u003c\/p\u003e\n\u003c\/details\u003e","brand":"DoubleK","offers":[{"title":"White","offer_id":57100443451770,"sku":null,"price":215.0,"currency_code":"CHF","in_stock":true},{"title":"Sky","offer_id":57100443484538,"sku":null,"price":215.0,"currency_code":"CHF","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0079\/0157\/7306\/files\/double-k-freediving-buoy-white-sky-colour-overview.webp?v=1784815388","url":"https:\/\/kaluna-freediving.ch\/en\/products\/double-k-freediving-buoy","provider":"Kaluna Freediving","version":"1.0","type":"link"}