• Large Gym Backpack
  • Large Gym Backpack
  • Large Gym Backpack
  • Large Gym Backpack
  • Large Gym Backpack
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Large Gym Backpack

Army Green / 45L
Introducing the ultimate fitness backpack, crafted for everyday and elite athletes. Made from premium, ultra durable materials and fitted with industry leading zippers, this backpack boasts a huge capacity to... Read more



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Free Delivery over £75

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  • Introducing the ultimate fitness backpack, crafted for everyday and elite athletes. Made from premium, ultra durable materials and fitted with industry leading zippers, this backpack boasts a huge capacity to accommodate all your gym and daily essentials. Say goodbye to the inconvenience of carrying multiple bags, and hello to the ease and convenience of carrying everything you need. 

    Built by athletes, for athletes.

    Reinforced YKK Zippers. Ultra Strong Rip Proof Fabric. #1 Rated Fitness Backpack. Load Tested to 30KG.


    • 2 side bottle holders capable of holding 1000ml protein shaker and 1000ml water bottle
    • Adjustable sternum and waist straps, perfect for running, hiking and rucking
    • Laser Cut Molle construction to give a cleaner aesthetic and stronger composition
    • 45L capacity with multiple compartments, pouches and zip pockets
    • YKK® Japanese zips and upgraded extra-durable plastic hardware
    • Easily holds 2 pairs of trainers/footwear, towel, gym clothes, meal prep and small training tools
    • Dedicated laptop/device compartment (Up to 17'')
    • Ergonomically designed adjustable compression straps with hook-and-loop ties for comfortable carrying
    • Backpack opens flat to 180 degrees for easy packing/unpacking
    • All compartments have two-way openings, storm flaps and pull tabs for easy access
    • Full hook and loop fastening upper pocket to personalise with our range of patches
    • Built For Athletes patch included with all backpacks
    • Water resistant and Rip Proof Fabric
    • Tested to carry 20kg+/44lb+ loads
    • Male model is 6' 1" and female model is 5' 6"

    (Water Bottles Not Included)

    Ready When You Are

    You're busy, we get it...

    With a 45L litre capacity, the Hero 2.0 was designed to see you through any and every eventuality. Whether you've got one or more workouts on the cards, a commute, day in the office or all of the above, every inch of this bag is optimised for capacity and ease of access.

    Everything you need at your fingertips - you just need to worry about that new PB.

    Ultra Tough And Built To Last

    Don’t settle for a backpack that falls apart or can't keep up.

    The Built For Athletes Gym Backpack is tough and durable, designed to withstand any challenge you face. Constructed with rip-proof fabric, triple-stitched seams and water-resistant material that keeps your belongings safe and secure.

    Plus, multiple compartments and pockets to help you organize your essentials and access them easily. Whether you’re hitting the gym, the trail or the airport, the Built For Athletes Gym Backpack is the perfect companion for your adventure


    Suitable for cabin luggage: 48cm x 34cm x 29cm (please check with your airline)

    The 45L 2.0 HERO Backpack is capable of carrying:

    • Pair of Weightlifting Shoes 
    • Pair of trainers
    • 17'' Laptop
    • Lifting Belt
    • Large Towel
    • Change of clothing 
    • Meal Preparation Box
    • Drinks Bottle 
    • Protein Shaker
    • Wash Bag
    • Wrist Wraps
    • Knee Sleeves
    • Skipping Rope
    • Snacks
  • UK Delivery

    Free Royal Mail tracked 48 delivery on orders over £75

    • Standard Delivery  £4.99 (2-3 working days)
    • Express Delivery   £6.99 (1-2 working days)

    Please note: Some items may incur additional postage charges due to their size and weight. This will be displayed at the checkout stage of your purchase. Example products: Umbrellas, golf clubs, hockey sticks, racquets, snooker/pool cues, skis/snowboards, table tennis tables etc.

    Click & Collect

    We offer a Collect in Store option at our checkout page. Once your payment is processed and your order is ready to collect, we will send you a 'Ready for Collection' email.

    • Please do not attempt to collect your order unless you have received your ‘Ready for collection’ email.
    • Collection can be made Monday - Saturday between 10am-5.30pm. Please note our store is closed on a Sunday.

    International Shipping

    Please click here to view our worldwide delivery rates.
    We use a combination of couriers including Royal Mail and Parcel Force.

    Returns & Exchanges

    While we hope that you will love every purchase, if you are not completely satisfied with your goods, we will happily offer you a full refund or free exchange.

    You are entitled to a refund or an exchange if you contact Greaves Sports within 14 days of receipt to acknowledge the return. You then need to return your item(s) within a further 14 days in a perfect, resalable condition with all labels and tags attached. You can return your items in the post or at our store.

    *Please note: underwear, face masks & personalised items are non-returnable.

    For more information on our returns policy click here.

Personalisation Options

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To personalise this product, click 'Personalise Now' and choose your options.