Maelstrom 36L insulated cooler backpack, Grey, 50-can leak-resistant soft cooler 21 x 13.5 x 8 in

Maelstrom's 36L insulated cooler backpack is a large-capacity, leak-resistant soft cooler designed to carry up to 50 cans and keep food and drinks hot or cold on day trips.

This lightweight, grey cooler backpack (21" x 13.5" x 8", 1210g) combines thick PEVA insulation, heat-sealed lining, and an organized multi-pocket layout so you can pack meals and beverages for picnics, beach days, hikes, or work lunches without worrying about spills or temperature loss. Built from durable nylon with ergonomic straps and a shock-absorbing back panel, it balances heavy-duty performance with comfortable carry.

How much can this cooler backpack hold for a full-day outing?

The main insulated compartment provides roughly 36 liters of storage and is sized to accept up to 50 standard 12oz cans (ice packs included). Multiple external pockets add convenient space for non-perishables and accessories.

• Main cold compartment: 36L capacity, fits up to 50 cans.
• Top insulated pocket: quick-access snacks or hot items.
• Front tableware pocket: holds dishes, utensils and two condiment bottles.
• Side mesh pockets: secure water or wine bottles with adjustable elastic straps.

Will it keep food cold or hot and prevent leaks?

The interior uses thickened PEVA with foam insulation and a heat-sealed, leak-proof lining to resist drips and contain condensation. With appropriate ice packs, it maintains chilled contents for many hours under normal outdoor conditions.

• Thick PEVA insulation for thermal control.
• Heat-sealed lining prevents liquid escape and messy spills.
• Use freeze packs to extend cooling performance.
• Reinforced seams and durable materials reduce puncture risk.

What organizational features help during travel or day trips?

Thoughtful compartments keep items separate and easy to reach so you can organize meals, utensils, electronics and personal items without unpacking the main cooler. Special pockets secure fragile or valuable items while on the move.

• Front zip pocket for cutlery and a dedicated tableware insert (holds forks/knives and dishes).
• Top zip pocket for phones, keys or quick snacks.
• Hidden back zipper pocket for wallets and valuables.
• Shoulder strap card pocket, elastic front bungee for mats, and webbing loops for accessories.

How comfortable and durable is it for hiking or daily use?

Constructed from heavy-duty nylon, the backpack offers tear resistance while staying lightweight at 1210g. Adjustable straps, an ergonomic silhouette, and a shock-absorbing foam back panel help distribute weight for longer carries.

• Durable nylon exterior resists wear and abrasion.
• Ergonomic shoulder straps with adjustment for different heights.
• Foam-padded back panel increases comfort and breathability.
• Built-in bottle opener and strap cord for sunglasses enhance usability.

Who is this for? If you need a versatile insulated pack that doubles as a soft cooler and daypack, the Maelstrom 36L cooler backpack suits outdoor enthusiasts, families, commuters, and day-trippers who want large capacity, reliable leak protection, and smart organization. It’s designed for picnics, beach or park days, camping, fishing, and everyday lunch runs when you want durable construction and easy access without sacrificing thermal performance.