Increase capacity by 5 litres by adding a US-5 drypack (see US-5 link below) Fitting instructions: Thread 2 x US-5 fitting straps through the web-loops on the front of the R15.
Increase your carrying capacity by 10-litres by adding a US-10 dry pack (100% waterproof main body). Water-resistant zip pocket and mesh pocket on underside. 10-year guarantee. (see US-10 link below)
Optional 0.5 litre harness pocket. YKK water-resistant zip and 3M Scotchlite reflective print (see Kube pocket link below).
Optional 3-litre Hydrapak reservoir. The R15 has an internal compression pocket and quick-release buckle to locate the reservoir. Velcro tube-management component included (see 3L reservoir link below)