Thanks to ah_heng for the original steer and sale_blade for the voucher prompt.
"using the code AW25FLiP you get another 25% off making it £32.24"
Lowepro Flipside 300 £32.24 @ MyMemory
The compact, lightweight design of the Flipside backpack lets you carry your pro digital SLR or DSLR without worry. The unique back compartment entry gives you safe, easy access. Interior Dimensions: 23 W x 13.8 D x 40.5 H cm Capacity: 1 DSLR + 80-200mm f/2.8 lens attached + 1-3 additional lenses or flash units, 1 tripod, memory cards, manuals and other accessories