Squirrel Backpack 20L, 250g New, never used. Unisex. Designed for trekking and rock climbing. Above waist to accommodate climbing harness. Can move at speed while wearing. Measurements - flat 16" Torso Length 18" Bag Length 18" Shoulder straps, adjustable webbing for length. Volume tapers to bottom: 12" Top across. 10" Across seam-to-seam. 11" Middle across. 10" Across seam-to-seam 10" Bottom across. 10" Across seam-to-seam Me: 5'2", Torso 16", 108lbs. Fits great - athletic. Selling my gear since I'm no longer climbing, ski-touring, and peak-bagging.