【Hyperlite Mountain Gear】 Hyperlite Mountain Gear 3400 (55L) Junction Black Hyperlite Mountain Junction 55 Size M Used for day hiking 3 times. No tears, scuffs, or holes; in beautiful condition. The fabric still has its firmness. Main body + bottom: DCHW 【Capacity】 55L + 9.8L (external capacity) Load capacity: approx. 18kg Purchased new from Tech Country. Purchase price: 70,400 yen The only difference between the 55 and 40 is the length of the roll-top section; there is no change to the main body itself. Because it's a roll-top, you can adjust it depending on the amount of gear inside, making it suitable for everything from day trips to overnight camping.