THE NORTH FACE Lumbar Bum Bag – Black: Vintage-inspired Lumbar Bum Bag with adjustable webbing strap. Clip it round your waist or wear it cross-body for fast access to all your day-to-day essentials. Novelty fabrics and heritage woven TNF label Zipped main compartment Adjustable webbing strap Invisible external secure-zip pocket Lumbar Bum Bag - Black