The Nemeziz Messi 18.1 built on the AgilityBandage concept introduced in the 2017 generation, with several refinements. The upper combined three main elements: AgilityBandage, which wraps around the midfoot to provide a compression fit and a close, barefoot-like touch on the ball; Torsiontapes, which deliver lockdown through twisting movements on both the lateral and medial sides of the foot; and Agilityweave, a new material offering an even softer touch than the previous generation while keeping the boot lightweight. The boot retained a Dual-Lock Collar around the ankle, featuring a V-groove cut that contours around the ankle socket to support more explosive acceleration and direction changes. The soleplate was a Chrome Green Torsionframe outsole with Torsionribs designed to enhance dynamic grip during push-off. Notably, Messi's personal pair combined the laced 18.1 build with a collar design carried over from the 17.1 generation, making his boot a distinct hybrid rather than an off-the-shelf 18.1. Independent testers who reviewed the retail Nemeziz Messi 18.1 Energy Mode noted it suited medium-width feet, had minimal upper stretch requiring a snug fit, and was regarded as one of the more durable laced options in the Nemeziz range, generally preferred over the laceless Nemeziz 18+ variant for its adjustable lockdown via laces.