Mazama 2L Lumbar Hydration Reservoir Indoor Karuba is a very lightweight

Karuba is a very lightweight wood core with excellent strength

and lets you flex your ankles naturally in softer conditions and technical slopes

- Insulation: 100% Polyester

These are exactly the qualities HEAD endowed the JR Boa with: An integrated shell and liner

Beveled edges at pick and adze allow more efficient penetration and removal

Mazama 2L Lumbar Hydration Reservoir Indoor Karuba is a very lightweightTASTE FREE & CLEAN: Food grade, USA made film has no plastic taste and is BPA free. Increased airflow from the self expanding opening dries super quickly and completely. No leftover water to generate mold like in other brands. BUILT TO LAST: Flexible, puncture resistant materials and strong welded seams are leakproof and backed by a Lifetime Warranty. WIDE OPENING: For easy filling and loading. MADE IN THE USA FILM: guarantees high quality materials.