When man invented the wheel everything changed. Not much is different with the Trackside Zenith Roller Bag. All the great qualities of a gear bag with the edition of two heavy duty wheels and a locking telescopic handle. Everything you need rolling behind you.; 1680D ballistic nylon construction Locking telescoping handle Structural rigid chassis keeps shape empty or full, standing or laying down, with built in hard nylon skids Heavy duty rolling wheels Rigid mounted lifting handle at base which doubles as a hard stand when standing the bag vertically Molded zipper pulls on heavy duty YKK zippers Multiple heavy duty reinforced nylon webbing grab handles Padded shoulder strap with metal clip Large main compartment with interior mesh pocket for accessories Vented boot compartment at wheels end of bag for better balance Fleeced lined goggle pocket 125L capacity 30"L x 15"W x 17"H