The L-XL cuff covers an arm circumference range from 32 to 52 cm (12.6–20.5"). It is a wide-range cuff, designed to fit a significantly broader range of arm sizes compared to standard L cuffs.

Microlife uses a conical, fan-shaped design, which follows the shape of the upper arm more closely. This specific geometry helps the cuff fit better around the arm and is designed with comfort and reliable measurement in mind.

Microlife cuffs have been clinically tested and validated, while the L-XL 32–52 cm cuff in particular has been the subject of a separate study regarding measurement accuracy when used with an automatic blood pressure monitor. Microlife lists the relevant study as Accuracy of the Microlife large–extra large-sized cuff (32–52 cm).

The air bladder of the cuff uses TPU (thermoplastic polyurethane) instead of traditional latex. Microlife states that its cuff bladders are latex-free, while these specific materials have been selected for greater durability. The cover is designed for repeated use.

The outer cover of the soft cuff is washable, allowing for better hygiene and easier maintenance. Microlife clarifies that the air bladder must be removed before washing the cover.

The cuff is designed for easy placement on the upper arm. Its conical shape and construction help the cuff fit properly around the arm, while the metal bar used in soft cuffs makes self-application easier.

The L-XL is available with suitable color-coded connectors, so it can be used with compatible Microlife blood pressure monitors. Microlife emphasizes that the correct connector must be used for the specific blood pressure monitor, as an incompatible connector may cause air leakage or an inaccurate measurement.

This cuff category is designed for the new generation of Microlife blood pressure monitors, and the connectors are available for compatibility with different device generations. Microlife’s official documentation includes specific details for the 4G L-XL, while the company provides a separate compatibility guide for the connectors. Therefore, before purchase, it is important to verify the exact connection type of the blood pressure monitor.

Microlife's official documentation states for this specific cuff series an average lifespan of 2 years or 5,000 measurements, whichever comes first. The cuff's functional warranty is also stated as 2 years, while the cover is considered an accessory subject to normal wear and tear.

For the modern soft cuff L-XL with code CA3-Z0-C62, Microlife states maximum dimensions of approximately 700 × 170 mm and a weight of up to approximately 189 g. The cuff length corresponds to an application range of 32–52 cm.