{"product_id":"double-k-system-one-diving-backpack","title":"Double K - System One Diving Backpack","description":"\u003ch2\u003eDouble K System One Diving Backpack\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 System One Diving Backpack\u003c\/strong\u003e is a large, stylish freediving gear backpack for divers who want to carry fins, wetsuits, masks, snorkels and accessories in one clean setup.\u003c\/p\u003e\n\u003cp\u003eThis is not a small daypack and not a basic mesh bag. The System One is designed as a high-capacity diving backpack with enough space for serious freediving equipment — including up to \u003cstrong\u003etwo full sets of gear\u003c\/strong\u003e, depending on how you pack.\u003c\/p\u003e\n\u003cp\u003eFor the Swiss market, this bag makes especially good sense if you travel to the pool, lake or dive spot by bike, public transport or on foot. It gives you a more practical and much more stylish way to carry your equipment than loose bags or oversized generic sports luggage.\u003c\/p\u003e\n\u003c!-- IMAGE PLACEMENT:\nUse the strongest lifestyle\/product image in the Shopify product gallery.\n\nRecommended first gallery image:\ndouble-k-system-one-diving-backpack-main.jpg\n\nRecommended alt text:\nDouble K System One Diving Backpack for freediving gear\n--\u003e\n\u003ch3\u003eWhy choose the Double K System One Diving Backpack?\u003c\/h3\u003e\n\u003cp\u003eFreediving gear is awkward to carry. Long fins, wetsuits, towels, masks, snorkels, socks, gloves and small accessories quickly become messy if you use separate bags. The System One Backpack solves that problem with a large main compartment, practical internal organization and a design that looks much cleaner than most high-volume dive bags.\u003c\/p\u003e\n\u003cp\u003eThe strongest argument is the combination of \u003cstrong\u003ecapacity, structure and style\u003c\/strong\u003e. Many large dive bags are practical but ugly. Many stylish backpacks are too small for real freediving equipment. The System One sits between both worlds: enough room for serious gear, but still wearable and visually cleaner than a bulky equipment sack.\u003c\/p\u003e\n\u003ch3\u003eMain benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-capacity freediving backpack\u003c\/strong\u003e for fins, wetsuits and accessories\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesigned to carry up to two full sets of diving gear\u003c\/strong\u003e, depending on packing layout\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e180° opening main compartment\u003c\/strong\u003e for easier packing and gear access\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree multipurpose storage pockets\u003c\/strong\u003e for better organization\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal Velcro straps\u003c\/strong\u003e to help secure equipment during transport\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeparated storage concept\u003c\/strong\u003e for fins, suits and smaller items\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThick shoulder pads\u003c\/strong\u003e to reduce shoulder strain\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge but lightweight\u003c\/strong\u003e: approx. 98 × 28 × 25 cm and approx. 1.7 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGood choice for bike, train and public transport\u003c\/strong\u003e when travelling to the pool, lake or dive spot\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMore stylish than most large-volume dive bags\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMade for freediving gear, not just clothes\u003c\/h3\u003e\n\u003cp\u003eThe System One Backpack is built around the reality of freediving equipment. Fins are long, wetsuits are bulky, masks need protection and smaller accessories disappear quickly if the bag has no structure.\u003c\/p\u003e\n\u003cp\u003eThe large main compartment opens wide, making it easier to pack and remove equipment. Internal straps help keep gear in place, while additional pockets give you space for smaller items such as socks, gloves, lanyards, snorkels, mask boxes, nose clips or small training accessories.\u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0079\/0157\/7306\/files\/double-k-system-one-diving-backpack-open-main-compartment_480x480.jpg?v=1784811975\" alt=\"Double K System One Diving Backpack packed with freediving gear\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003c!-- OPTIONAL IMAGE IN DESCRIPTION:\nPlace an open-bag\/interior image here.\n\nRecommended filename:\ndouble-k-system-one-diving-backpack-open-main-compartment.jpg\n\nRecommended alt text:\nDouble K System One Diving Backpack open main compartment\n\nWhy:\nThis image should show the 180 degree opening and internal storage concept.\n--\u003e\n\u003ch3\u003ePerfect for bike and public transport\u003c\/h3\u003e\n\u003cp\u003eFor many freedivers in Switzerland, the real question is not only “does my gear fit?” but also “can I actually carry this to the pool, lake or train station?”\u003c\/p\u003e\n\u003cp\u003eThis is where the System One makes more sense than a normal hand-carry dive bag. You can wear it as a backpack, keep your hands free and move more easily when travelling by bike, train, bus or walking to the dive spot.\u003c\/p\u003e\n\u003cp\u003eIf you regularly train in the pool, dive in lakes or move between home, car, public transport and dive site, a backpack-style gear bag is simply more practical than dragging several separate bags around.\u003c\/p\u003e\n\u003ch3\u003eWhat fits inside?\u003c\/h3\u003e\n\u003cp\u003eDouble K describes the System One Backpack as spacious enough for two full sets of gear. In practice, the exact packing capacity depends on fin length, wetsuit thickness and how many accessories you carry.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\"\u003eGear\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eUse case\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFreediving fins\u003c\/td\u003e\n\u003ctd\u003eMain gear item. The long shape of the bag is designed for diving equipment rather than normal clothing only.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWetsuit\u003c\/td\u003e\n\u003ctd\u003eCan be packed together with fins and soft equipment.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMask and snorkel\u003c\/td\u003e\n\u003ctd\u003eUseful for complete pool or open-water setups.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSocks, gloves and hood\u003c\/td\u003e\n\u003ctd\u003eCan be stored in smaller pockets or separate areas.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSmall accessories\u003c\/td\u003e\n\u003ctd\u003eNose clip, lanyard, anti-fog, towel, water bottle or training items depending on packing style.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSecond gear set\u003c\/td\u003e\n\u003ctd\u003ePossible depending on equipment volume, fin type and wetsuit thickness.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eStorage and organization\u003c\/h3\u003e\n\u003cp\u003eThe System One Backpack is not just one empty compartment. It is designed with an optimized storage concept, including multipurpose pockets, internal straps and a wide-opening main storage area.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003e180° opening\u003c\/strong\u003e makes packing easier because you can open the bag flat instead of stuffing equipment blindly through a narrow top opening. This is especially useful when packing fins, wetsuits or multiple equipment sets.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eVelcro straps\u003c\/strong\u003e help keep items more stable during transport, reducing unnecessary movement inside the bag.\u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0079\/0157\/7306\/files\/double-k-system-one-diving-backpack-packed-with-freediving-gear_480x480.jpg?v=1784811974\" alt=\"Double K System One Diving Backpack storage pockets\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003c!-- OPTIONAL IMAGE IN DESCRIPTION:\nPlace a pocket\/detail image here.\n\nRecommended filename:\ndouble-k-system-one-diving-backpack-pockets-detail.jpg\n\nRecommended alt text:\nDouble K System One Diving Backpack storage pockets detail\n\nWhy:\nThis supports the organization and many-pockets argument.\n--\u003e\n\u003ch3\u003eCare guide\u003c\/h3\u003e\n\u003cp\u003eProper care matters because diving bags are regularly exposed to salt water, chlorine, moisture and wet equipment. Rinse and dry the bag after use to keep it in better condition for longer.\u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0079\/0157\/7306\/files\/double-k-system-one-diving-backpack-care-guide_480x480.webp?v=1784811974\" alt=\"Double K System One Diving Backpack care guide\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\"\u003eCare step\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eRecommendation\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eWash gently\u003c\/td\u003e\n\u003ctd\u003eRinse lightly in cold or lukewarm water below 30°C. Do not use a washing machine.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDry open\u003c\/td\u003e\n\u003ctd\u003eRemove excess water after rinsing and let the bag air dry naturally in the shade.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAvoid colour transfer\u003c\/td\u003e\n\u003ctd\u003eStore light-coloured products separately from dark-coloured items to reduce colour transfer risk.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClean immediately\u003c\/td\u003e\n\u003ctd\u003eAfter use, rinse and dry the bag promptly. Long storage while wet can cause odour, stains, damage or discolouration.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\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\u003eSystem One Diving Backpack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eProduct type\u003c\/th\u003e\n\u003ctd\u003eFreediving gear backpack \/ diving equipment bag\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eRecommended use\u003c\/th\u003e\n\u003ctd\u003eFreediving, pool training, lake diving, dive travel, carrying fins, wetsuits and accessories\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eCapacity concept\u003c\/th\u003e\n\u003ctd\u003eDesigned to carry up to two full sets of gear depending on packing layout\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMain compartment\u003c\/th\u003e\n\u003ctd\u003e180° opening main storage space\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePockets\u003c\/th\u003e\n\u003ctd\u003eThree multipurpose storage pockets\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eInternal securing\u003c\/th\u003e\n\u003ctd\u003eVelcro straps to help secure equipment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eCarrying comfort\u003c\/th\u003e\n\u003ctd\u003eThick shoulder pads to reduce shoulder strain\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003ePolyurethane, sponge, plastic and mesh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eDimensions\u003c\/th\u003e\n\u003ctd\u003eApprox. 98 × 28 × 25 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eWeight\u003c\/th\u003e\n\u003ctd\u003eApprox. 1.7 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cbr\u003e\u003c\/h3\u003e\n\u003ch3\u003eKaluna Freediving Opinion\u003c\/h3\u003e\n\u003cp\u003eThis is the right bag if you want one large, wearable and good-looking solution for your freediving equipment. The System One is more stylish than most large dive bags, but still practical enough for real gear.\u003c\/p\u003e\n\u003cp\u003eThe biggest advantage for Swiss customers is the backpack format. If you go to training by bike, train or bus, carrying loose fins, suit, mask and accessories is annoying. A large backpack is simply more usable and this is one of the best!\u003c\/p\u003e\n\u003cp\u003eThis bag makes the most sense for freedivers who train regularly, carry full equipment and want a cleaner setup than several separate bags. It is probably too large if you only need a small towel-and-mask pool bag. But for full freediving gear, it is exactly the kind of product that makes everyday training less chaotic.\u003c\/p\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs the Double K System One Backpack big enough for freediving fins?\u003c\/summary\u003e\n\u003cp\u003eYes. The bag is approximately 98 cm long and designed for diving equipment, including fins, wetsuits and accessories.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan it carry two full gear sets?\u003c\/summary\u003e\n\u003cp\u003eDouble K describes the System One Backpack as suitable for up to two full sets of gear. Actual capacity depends on fin length, wetsuit thickness and packing style.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs it good for going to the pool or lake by bike?\u003c\/summary\u003e\n\u003cp\u003eYes. The backpack format makes it much more practical than a hand-carry bag if you travel by bike, train, bus or on foot.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDoes it open fully?\u003c\/summary\u003e\n\u003cp\u003eYes. The main storage area has a 180° opening, making it easier to pack fins, suits and larger equipment.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDoes it have pockets?\u003c\/summary\u003e\n\u003cp\u003eYes. The bag has three multipurpose storage pockets for better organization of smaller items.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow heavy is the bag?\u003c\/summary\u003e\n\u003cp\u003eThe bag weighs approximately 1.7 kg.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow should I care for the bag?\u003c\/summary\u003e\n\u003cp\u003eRinse lightly in cold or lukewarm water below 30°C, do not use a washing machine, dry open in the shade and avoid storing the bag wet for long periods.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs this a waterproof dry bag?\u003c\/summary\u003e\n\u003cp\u003eNo. It should be treated as a diving equipment backpack, not as a sealed waterproof dry bag. Keep electronics and valuables in separate waterproof protection if needed.\u003c\/p\u003e\n\u003c\/details\u003e","brand":"DoubleK","offers":[{"title":"Default Title","offer_id":57100154831226,"sku":null,"price":200.0,"currency_code":"CHF","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0079\/0157\/7306\/files\/double-k-system-one-diving-backpack-main3.jpg?v=1784811975","url":"https:\/\/kaluna-freediving.ch\/en\/products\/double-k-system-one-diving-backpack","provider":"Kaluna Freediving","version":"1.0","type":"link"}