The Munro from Berghaus – Super tough military specification 35 litre daypack with internal frame. 
Features
Four accessory attachment points with bungee cord.
Internal frame for load support.
Ardura 1000D is a tough texturised nylon used for its very high tear strength and abrasion resistance.
Waist belt
Top lid pocket
Price: £47.95

The Sherpa 65 Rucsac is a Vango classic – the name suggests it will take you higher and further than you could go alone and you’ll get there in good shape. Great value, available with classic pocket or expansion pockets, depending on how much you want this Sherpa to carry.
Price: £49.95

The Freeflow IV Rucksack, from Berghaus, with the further advanced back system promoting air circulation around the back. A reduced area of mesh results in less perspiration and combined with new engineered shoulder straps using EVABREATHE® technology the new Freeflow range is even more breathable. A stylish rucksack that is ideal for all trekking activity. [...]

The Karrimor Kodiak 35 has two features specifically designed to keep you cool and comfortable on a long walk or ramble. Firstly the Kodiak has a super cool back system, which incorporates a ‘wind tunnel’ to encourage a flow of air and keep your back cool and secondly there is an easy access hydration sleeve [...]

An excellent pack for climbing and scrambles, which is compact and stable in use. * Esdura 600RS ripstop polyester fabric * Fusion back system * Compression straps and top tension straps * Two point haul loop * Four gear loops and ice axe/pole holders * Rope compression strap * Oversized zip pulls for easy use [...]

This easy to use day sac is ideal for those days spent exploring the outdoors. It is designed with comfort in mind without loosing out on the excellent storage capabilities.
Price: £50

The Borealis 08 Rucksack is a straightforward, refined, sleek daypack boasting two large pockets so you can stash gear quickly and hit the road. The main compartment is large enough to hold a 17” laptop, and front pocket is adorned with a bungee cord to either store additional gear, or secure what you’ve already stored.
Price: [...]