Lke the rest of the M80 Series Mono Cases, the M80-AC Classical/OM case is designed from the inside out to be one of the lightest, thinnest, strongest, and most versatile carrying solutions for the professional musician. A hybrid case featuring an ultra-light laminated foam shell with strategically placed ABS panels, the M80 Classical/OM Case provides an extremely high level of protection for your most-prized investments. Smart features like the Clip/Tuck straps make for easy airport travel, while the streamlined profile helps you slip through the crowds. - Neckbrace absorbs horizontal impact, keeping headstock safely suspended - Turning pegs are kept away from the sides of the case minimizing de-tuning from side impact - On vertical drops, the impact is diverted up and away from the strap pin - Integral ABS panels deliver hardcase protection at a fraction of the weight - Steel rivets on handle - Solid rubber sole is concrete-proof - Waterproof Sharkskin outer shell - Anti-skip zippers - Pick pocket - Clip-tuck straps allow you to quickly stash 1 or both shoulder straps on the fly - Hidden headstock pocket