I was ready to call "suspended mesh" a marketing word. Then I understood the physics.

Before: you finish a warm climb, take the pack off at the top, and there's a perfect sweat-shaped rectangle on your back. Then the wind hits it. Then you're cold for the next twenty minutes in a way that's genuinely miserable and slightly dangerous if the weather turns.

That rectangle is not a hydration problem. It's an airflow problem, and it happens because most packs sit flush against you with nowhere for heat to go. The Stratos 24's suspended mesh back panel holds the pack body a few centimetres off your spine, so air moves through the gap while you walk. It's a trellis, basically. Simple, mechanical, and it works better than any fabric claim I've read.

The trade-off is honest and worth stating: a suspended panel pushes the load slightly further from your back, which is marginally less stable on very technical scrambling than a close-fit pack. On a normal day hike, in warm weather, you will not care, and you will be significantly less damp.

The carry system holds up its end. Adjustable torso fit means you're matching the harness to your actual body rather than the average of everyone's. The supportive hip belt shifts real weight onto your hips — the single biggest comfort lever in any pack — and hip-belt pockets keep snacks and a phone reachable without stopping.

Then the day-hike logistics. Twenty-four litres is a balanced capacity for water, food, layers and a first-aid kit. Panel-loading access means you open it like a book rather than digging down a tube for the thing at the bottom. Hydration compatibility for a reservoir, trekking-pole attachment for the steep bits, and side compression to stop a half-full pack from sloshing.

Best part, and the reason I'd pick it for unpredictable weather: there's an integrated rain cover tucked into the base. Not a separate thing you left in the car. Attached, always there, deployed in ten seconds when the sky changes its mind. If you've ever hiked home with a soaked spare fleece, that alone justifies the upgrade — go get one before the next forecast lies to you.