Which Backpack Opening Style Do You Need?

BrandsWalk Creative |
Backpack designs have evolved far beyond the classic top zipper. The type of opening a backpack uses dictates how quickly you can access your gear, how well it protects your belongings from weather or theft, and how convenient it is for specific activities like commuting, travel, or hiking.

Top Access

The standard, traditional backpack design where the main compartment opens from the top. It is simple, reliable, and common across everyday carry and school bags.

Thule Subterra 23L Backpack

Made for commuting and travel, the Subterra 23L combines durable nylon with padded laptop and tablet storage. Its internal PowerPocket organizes charging cables, while a luggage pass-through makes airport transfers easier.

Front Access

Opens from both the front and top, functioning similarly to a duffel bag. It allows you to easily reach items packed deep at the bottom without pulling everything else out.

Thule Vea 21L

The Vea 21L suits commuters who fit a workout around their workday, with separate compartments for professional and gym gear. A ventilated back panel and reflective details support the journey between both.

Side Access

Features a vertical zipper along the side, allowing you to reach into the main compartment without opening the top. This is ideal for grabbing gear on the go, navigating tight spaces, or keeping your items dry during rainy weather.

Thule Paramount 24L

Designed for daily travel by bike, train, or foot, the Paramount 24L pairs water-resistant nylon with padded laptop storage. Side access reaches the main compartment, while an expandable front pocket holds a jacket or bike lock.

Bottom Access

Frequently found on large technical hiking packs. A bottom zip provides direct access to sleeping bags or extra jackets stowed at the base of your bag.

Thule Capstone 40L Backpack

Built for hiking, the Capstone 40L combines an adjustable torso fit with a breathable mesh back panel and removable rain cover. Its lower opening makes deeply packed layers easier to reach on the trail.

Weather-Resistant & Commuter Openings

Rolltop Opening

The top fabric rolls down and fastens tightly, creating a tight seal that keeps water out. Rolltops are a popular choice for bike commuters and outdoor adventurers who face heavy rain.

Thule Paramount 24L

Designed around the bike commute, this 20L pack combines an expandable rolltop with water-resistant nylon and an adjustable harness. Padded laptop storage, a helmet attachment, and a bike-light loop help bridge riding and office life.

Fold-Over Opening

Uses an extended layer of fabric that folds down over the top opening to shield zippers from rain.

Thule Paramount 24L Backpack

This commuter pack combines water-resistant nylon with padded laptop and tablet storage. A magnetic fold-over top covers the opening, while side zippers and a shoulder-strap transit-card pocket keep everyday essentials accessible.Thule Paramount Bike Commute Backpack 20L

Magnetic Flap Opening

A protective flap secured by magnetic closures that automatically snap shut when released. This enables quick, one-handed access without dealing with fiddly buckles or buttons.

Thule Paramount Daypack Lite 20L

For commuters carrying a full workday’s gear, this 27L pack offers padded tech storage and organized accessory pockets. Its magnetic flap covers the top zipper, while a hidden back-panel pocket keeps valuables close.

Flap with Buckle

Combines a fabric flap with adjustable compression buckles. Besides rain protection, tightening the buckles compresses the pack to help distribute weight evenly.

Thule Lithos 16L Backpack

A compact option for campus and everyday city trips, the Lithos 16L holds a laptop, tablet, and daily essentials. Its adjustable flap conceals the buckle, keeping the exterior simple while securing the main compartment.

Travel & Wide-Entry Openings

Clamshell Opening

Opens flat like a suitcase, unzipping fully around three sides. This style is essential for carry-on travel bags, making packing and organizing clothes effortless.

Thule Subterra 2 Convertible Carry-On 40L

Designed for travelers carrying clothes and work essentials together, this 40L bag converts between backpack and shoulder carry. A removable laptop attaché works independently, while an internal divider separates shoes or clothing.

U-Shaped Opening

Features a broad, curved zipper path that opens wider than standard top-loaders. It gives a clear, unobstructed view into the main compartment so you don't have to dig around blindly.

Thule Accent 28L Backpack

Suited to work trips and daily commuting, the Accent 28L combines recycled polyester with padded laptop storage and a protective SafeZone compartment for small valuables. Its broad opening makes packing and unpacking straightforward.

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