{"id":52226,"date":"2026-04-21T02:46:12","date_gmt":"2026-04-20T23:46:12","guid":{"rendered":"https:\/\/akvazoo.ee\/?post_type=product&p=52226"},"modified":"2026-04-21T02:46:12","modified_gmt":"2026-04-20T23:46:12","slug":"k9-sport-sack-kolossus-backpack","status":"publish","type":"product","link":"https:\/\/akvazoo.ee\/en\/product\/k9-sport-sack-kolossus-backpack\/","title":{"rendered":"K9 Sport Sack Kolossus Backpack"},"content":{"rendered":"

\"\"\"\"<\/p>\n","protected":false},"excerpt":{"rendered":"

K9 Sport Sack Kolossus \u2013 The premium backpack for big dogs and epic adventures<\/span><\/p>\n

The Kolossus is the ultimate backpack for carrying medium to large dogs and is perfect for intense hikes, cycling, and travel. With its adjustable fit system, internal frame, and smart storage, it offers maximum comfort for both you and your dog. Not taking your pup with you? The Kolossus easily converts into a full trekking pack with up to 60L capacity.<\/span><\/p>\n

Sizing (dog\u2019s back length):<\/strong>
\n\u2022 L: 51\u201358 cm<\/span>
\n\u2022 XL: 58\u201366 cm<\/span>
\n\u2022 XXL: 66\u201374 cm<\/span>
\nFor dogs weighing 9\u201336 kg \u2013 capacity 50 to 60 liters<\/strong><\/p>\n

Specifications:<\/span>
\n\u2022 Adjustable shoulder and torso height<\/span>
\n\u2022 Detachable hip belt with pockets and poop bag dispenser<\/span>
\n\u2022 Internal frame and padded lining for dog comfort<\/span>
\n\u2022 Breathable padded back panel<\/span>
\n\u2022 Removable storage\/back support with hydration port<\/span>
\n\u2022 Weight-distribution support straps<\/span>
\n\u2022 Side zippers with ventilation<\/span>
\n\u2022 Wide base for dog stability and comfort<\/span>
\n\u2022 Removable sun\/rain hood for your dog<\/span>
\n\u2022 Lumbar support straps for the dog<\/span>
\n\u2022 Durable 300D ripstop Oxford polyester<\/span><\/p>\n

Safety:<\/span>
\nDeveloped under supervision of veterinarians, dog trainers, and outdoor gear engineers for a safe, ergonomic, and durable experience.<\/span><\/p>\n

Sizing tip:<\/span>
\nMeasure your dog from collar to base of the tail. Unsure about the length? Use a Booster Block to raise your dog slightly for a better fit.<\/span><\/p>\n","protected":false},"featured_media":52236,"template":"","meta":[],"product_brand":[],"product_cat":[462],"product_tag":[],"class_list":{"0":"post-52226","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-dog-travel","8":"first","9":"onbackorder","10":"shipping-taxable","11":"purchasable","12":"product-type-variable"},"yoast_head":"\nK9 Sport Sack Kolossus Backpack<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/akvazoo.ee\/en\/product\/k9-sport-sack-kolossus-backpack\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"K9 Sport Sack Kolossus Backpack\" \/>\n<meta property=\"og:description\" content=\"K9 Sport Sack Kolossus \u2013 The premium backpack for big dogs and epic adventures The Kolossus is the ultimate backpack for carrying medium to large dogs and is perfect for intense hikes, cycling, and travel. With its adjustable fit system, internal frame, and smart storage, it offers maximum comfort for both you and your dog. Not taking your pup with you? The Kolossus easily converts into a full trekking pack with up to 60L capacity. Sizing (dog\u2019s back length): \u2022 L: 51\u201358 cm \u2022 XL: 58\u201366 cm \u2022 XXL: 66\u201374 cm For dogs weighing 9\u201336 kg \u2013 capacity 50 to 60 liters Specifications: \u2022 Adjustable shoulder and torso height \u2022 Detachable hip belt with pockets and poop bag dispenser \u2022 Internal frame and padded lining for dog comfort \u2022 Breathable padded back panel \u2022 Removable storage\/back support with hydration port \u2022 Weight-distribution support straps \u2022 Side zippers with ventilation \u2022 Wide base for dog stability and comfort \u2022 Removable sun\/rain hood for your dog \u2022 Lumbar support straps for the dog \u2022 Durable 300D ripstop Oxford polyester Safety: Developed under supervision of veterinarians, dog trainers, and outdoor gear engineers for a safe, ergonomic, and durable experience. Sizing tip: Measure your dog from collar to base of the tail. Unsure about the length? Use a Booster Block to raise your dog slightly for a better fit.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/akvazoo.ee\/en\/product\/k9-sport-sack-kolossus-backpack\/\" \/>\n<meta property=\"og:site_name\" content=\"AkvaZOO Online Pet Shop\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/akvazoo.pood\" \/>\n<meta property=\"og:image\" content=\"https:\/\/akvazoo.ee\/wp-content\/uploads\/2026\/04\/col1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"1200\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Availability\" \/>\n\t<meta name=\"twitter:data1\" content=\"On backorder\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/akvazoo.ee\/en\/product\/k9-sport-sack-kolossus-backpack\/\",\"url\":\"https:\/\/akvazoo.ee\/en\/product\/k9-sport-sack-kolossus-backpack\/\",\"name\":\"K9 Sport Sack Kolossus Backpack\",\"isPartOf\":{\"@id\":\"https:\/\/akvazoo.ee\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/akvazoo.ee\/en\/product\/k9-sport-sack-kolossus-backpack\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/akvazoo.ee\/en\/product\/k9-sport-sack-kolossus-backpack\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/akvazoo.ee\/wp-content\/uploads\/2026\/04\/col1.jpg\",\"datePublished\":\"2026-04-20T23:46:12+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/akvazoo.ee\/en\/product\/k9-sport-sack-kolossus-backpack\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/akvazoo.ee\/en\/product\/k9-sport-sack-kolossus-backpack\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/akvazoo.ee\/en\/product\/k9-sport-sack-kolossus-backpack\/#primaryimage\",\"url\":\"https:\/\/akvazoo.ee\/wp-content\/uploads\/2026\/04\/col1.jpg\",\"contentUrl\":\"https:\/\/akvazoo.ee\/wp-content\/uploads\/2026\/04\/col1.jpg\",\"width\":1200,\"height\":1200},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/akvazoo.ee\/en\/product\/k9-sport-sack-kolossus-backpack\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/akvazoo.ee\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Shop\",\"item\":\"https:\/\/akvazoo.ee\/shop\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"K9 Sport Sack Kolossus Backpack\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/akvazoo.ee\/#website\",\"url\":\"https:\/\/akvazoo.ee\/\",\"name\":\"AkvaZOO Lemmikloomapood\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\/\/akvazoo.ee\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/akvazoo.ee\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/akvazoo.ee\/#organization\",\"name\":\"Akvazoo Trade O\u00dc\",\"url\":\"https:\/\/akvazoo.ee\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/akvazoo.ee\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/akvazoo.ee\/wp-content\/uploads\/2023\/09\/akvazoo.svg\",\"contentUrl\":\"https:\/\/akvazoo.ee\/wp-content\/uploads\/2023\/09\/akvazoo.svg\",\"width\":\"1024\",\"height\":\"1024\",\"caption\":\"Akvazoo Trade O\u00dc\"},\"image\":{\"@id\":\"https:\/\/akvazoo.ee\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.facebook.com\/akvazoo.pood\"]}]}<\/script>\n<meta property=\"og:availability\" content=\"backorder\" \/>\n<meta property=\"product:availability\" content=\"available for order\" \/>\n<meta property=\"product:condition\" content=\"new\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"K9 Sport Sack Kolossus Backpack","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/akvazoo.ee\/en\/product\/k9-sport-sack-kolossus-backpack\/","og_locale":"en_US","og_type":"article","og_title":"K9 Sport Sack Kolossus Backpack","og_description":"K9 Sport Sack Kolossus \u2013 The premium backpack for big dogs and epic adventures The Kolossus is the ultimate backpack for carrying medium to large dogs and is perfect for intense hikes, cycling, and travel. With its adjustable fit system, internal frame, and smart storage, it offers maximum comfort for both you and your dog. Not taking your pup with you? The Kolossus easily converts into a full trekking pack with up to 60L capacity. Sizing (dog\u2019s back length): \u2022 L: 51\u201358 cm \u2022 XL: 58\u201366 cm \u2022 XXL: 66\u201374 cm For dogs weighing 9\u201336 kg \u2013 capacity 50 to 60 liters Specifications: \u2022 Adjustable shoulder and torso height \u2022 Detachable hip belt with pockets and poop bag dispenser \u2022 Internal frame and padded lining for dog comfort \u2022 Breathable padded back panel \u2022 Removable storage\/back support with hydration port \u2022 Weight-distribution support straps \u2022 Side zippers with ventilation \u2022 Wide base for dog stability and comfort \u2022 Removable sun\/rain hood for your dog \u2022 Lumbar support straps for the dog \u2022 Durable 300D ripstop Oxford polyester Safety: Developed under supervision of veterinarians, dog trainers, and outdoor gear engineers for a safe, ergonomic, and durable experience. Sizing tip: Measure your dog from collar to base of the tail. Unsure about the length? 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