The Summit Pack is as simple and refined as you&&';;ll see in an ultralight hiking pack. Like your friend who takes everything you say literally, the Summit Pack performs whatever duties you assign it without humor, fanfare, or complaint. It&&';;s compact enough to be stowed away in a larger pack, but roomy enough for day hikes from base camp, peak bagging, or a final push to the summit. Made with three choices of DyneemaA(R) Composite Fabrics, 50D (white), 150D (black), or an extra robust Woven DyneemaA(R) Fabric backed with DyneemaA(R) Composite Fabric, this spartan pack will play a role in all your best stories. MATERIAL White version: 50D DyneemaA(R)/Poly hybrid Black version: 150D DyneemaA(R)/Poly hybrid WEIGHT White 372g (0.82 lbs, 13.12 oz) Black 438g (0.97 lbs, 15.45 oz) CAPACITY: 30l (1800 cu/in) CHARACTERISTIC Constructed from DyneemaA(R)/Poly hybrid Adjustable shoulder straps Roll-Top closure which can be rolled up or down Top closure side compression straps Ultralight 3/4" webbing hip-belt. Shock cord lacing for additional gear storage. Four external daisy chains for attaching gear or Summit Stuff Pocket Sternum strap included Bar tacked reinforcements on all stress points Fully sealed main body seams Stitched with bonded Tex 69 thread MEASUREMENTS Top Circumference - 81.3cm (32") Bottom Circumference - 78.7cm (31") Height Fully Unrolled - 68.6cm (27") Back width - 25.4cm (10")