Rab Syclon XP 30L Backpack Lightweight Waterproof Efficiency Weighing under 800g yet fully waterproof and IPX4-tested, the Syclon XP 30L challenges the assumption that ultralight means sacrificing weather protection. Built for minimalist hikers tackling day missions or multi-day treks with minimal gear, this pack eliminates the need for rain covers or dry bags. The body-contouring AEROFIT carry system keeps you comfortable at speed while the waterproof construction with taped seams protects your essentials in anything from high heat to driving rain. Features Fully waterproof main compartment with IPX4 rating and taped seams keeps gear dry in heavy rain without extra dry bags or rain covers AEROFIT carry system with ventilated, body-contouring back panel provides stable, close-fitting support and airflow for long-distance missions Smart storage organization with roll-top entry, front shove-it pocket, side stretch pockets, pole attachments, and hipbelt pockets SPECIFICATIONS Intended Use Backpacking, Day Hiking, Thru-Hiking, Alpine Hut-Hopping Capacity 30L Main Fabric 40D high-tenacity nylon (100% recycled) Secondary Fabric 100D high-tenacity nylon with Spectra(R) Ripstop (85% recycled) Lining 210D nylon (100% recycled) Back System AEROFIT(TM) with ventilated, body-contouring design Back Length 19-20" (Medium-Large) Waterproofing IPX4-rated with fully taped seams Roll-Top Entry Expands and compresses with load Pockets Front shove-it pocket, side stretch pockets, hipbelt pockets, shoulder strap pocket Attachments Trekking pole and ice axe carry points Weight 1 lb 12. 5 oz / 810g (Size M-L) | Rab | Syclon Xp 30L Backpack | Nylon