K9SportSack
K9 Sport Sack Kolossus - XXL, Black - The Big Dog Backpack - Ideal for Dogs 26-29” Long - Fully Adjustable Pet Carrier - Doubles as a Professional-Grade 60L Hiking Pack
K9 Sport Sack Kolossus - XXL, Black - The Big Dog Backpack - Ideal for Dogs 26-29” Long - Fully Adjustable Pet Carrier - Doubles as a Professional-Grade 60L Hiking Pack
Couldn't load pickup availability
About This
- DOG CARRIER + HIKING PACK - When you’re not carrying your four-legged friend, Kolossus doubles as a professional-grade hiking pack with 60L of storage. Whether you're heading into the wild or taking on city streets, you’ll be ready for adventure!
- FIND THE RIGHT SIZE - The XXL is best for dogs with a length of 26-29” from collar to the base of the tail. Typical dog breeds that will fit this size backpack include German Shepherd, Newfoundland, Rottweiler, Bernese Mountain Dog & Dalmation.
- MAXIMUM COMFORT - This backpack carrier is engineered for ultimate comfort, with adjustable shoulder and torso sizing to match any body type, an internal aluminum frame for support, a padded back panel, and a padded waist belt.
- AMPLE STORAGE - Kolossus features a removable storage bag, two side pockets for water bottles, a large pocket at the base & a waste bag dispenser in the hip belt. Gear loops on the bottom of the carrier can be used to attach additional loose items.
- MADE TO LAST - Thanks to premium materials and advanced construction, our design is built for long-term, rugged use—so you and your pup can enjoy it for years to come!
Overview
- Color : Black
- Brand : K9 Sport Sack
- Product Dimensions : 10"L x 8"W x 34"H
- Material : Fabric with internal plastic/metal frame
- Special Feature : Locking Zipper, Outdoor Safe
Share

Collections
-
Toys & Interactive Play
From flopping fish and bouncing balls to puzzle toys for power chewers,...
-
Premium Dog & Cat Beds
Plush sofas, orthopedic cushions and calming donut beds that give dogs and...
-
Litter, Pads & Potty Solutions
Self-cleaning litter boxes, stainless steel pans, odor-control litter and puppy pads designed...
Furr Haven – Where Pets Find Comfort & Care 🐾
Because at Furr Haven, it’s more than just a pet shop—it’s a community built on love, comfort, and care for pets and the people who adore them. ❤️
-
Health, Flea & Tick Care
Vet-style flea and tick treatments, supplements and daily support formulas to help...
-
Grooming & Bath Essentials
Steam brushes, deshedding gloves, bath brushes and shampoos that make at-home grooming...
-
Food, Treats & Chews
Everyday nutrition and high-value rewards — complete dog and cat foods, functional...
-
Crates, Carriers & Travel
Furniture-style crates, heavy-duty kennels and airline-approved carriers that give pets secure spaces...
Blog posts
View all-
Daily Care Essentials for Dogs and Cats: Tools,...
Explore daily care essentials for dogs and cats including feeding, grooming, play, and hygiene solutions that support health and harmony.
Daily Care Essentials for Dogs and Cats: Tools,...
Explore daily care essentials for dogs and cats including feeding, grooming, play, and hygiene solutions that support health and harmony.
-
Designing a Pet-Friendly Home: Comfort, Safety,...
Learn how to design a pet-friendly home that promotes comfort, safety, and daily wellness with curated products from Furr Havens.
Designing a Pet-Friendly Home: Comfort, Safety,...
Learn how to design a pet-friendly home that promotes comfort, safety, and daily wellness with curated products from Furr Havens.
-
Low-Shedding Home Setup: Tools & Routines That ...
A practical guide to managing cat hair everywhere it lands—grooming, house tools, furniture protection, and easy routines that reduce shed-related cleaning time. Includes direct links to Furr Havens hair-control solutions.
Low-Shedding Home Setup: Tools & Routines That ...
A practical guide to managing cat hair everywhere it lands—grooming, house tools, furniture protection, and easy routines that reduce shed-related cleaning time. Includes direct links to Furr Havens hair-control solutions.
Frequently Asked Questions
How long does shipping take?
Shipping takes place within 3-5 business days. If there is a problem with the shipment of the product, we will notify you via the email address you entered when ordering.
How can I get a tracking number for my order?
If your order has been shipped, we will add the tracking number to your order and notify you via the email address you entered when ordering.
Is free shipping available?
We do not currently offer free shipping. However, this may be added at some point. We apologize.
How do I process a return or exchange?
For returns or exchanges, please contact us within 14 days of receiving the product, along with a receipt or screenshot of the purchase, and a photo of the product with the packaging or tag intact.