[Mizuno] Racing Swimsuit Training Practice Men's Exersuit FG-II Long Spats Putting the flat swim theory into practice. This is a swimsuit that allows you to train with your "waist position kept high," so to speak. I believe the interpretation of "a long-leg version of the zero-position swimsuit" is close, given that it utilizes the characteristics of polypropylene rubber. The size is L. Please note that this is a regular men's L size, not a tight L size for competitive swimmers. The length is such that it covers the ankles, so I believe it will fit larger M-sized individuals or taller L-sized individuals. Please be assured of hygiene as it was worn over racing swimsuits. However, those who are sensitive about used items should refrain from purchasing. Although it is a delicate swimsuit by nature, I feel there are no stains or material degradation, and I have re-examined it in detail for this listing. Personally, I found that it greatly improved my core strength by making it easier to extend my distance in freestyle and butterfly. Of course, my times have also improved surprisingly. However, the concept is to enhance training by keeping the waist position high and ensuring a proper streamline. It's a great piece of wear, but for some reason, Mizuno has not released a continuation of this product. (Perhaps it's because it's purely a training swimsuit.) [Color] 92: Black x Blue [Material] Chloroprene Rubber Sonic Fit AC: 81% Polyester, 19% Polyurethane [Size] L Swimsuit for training to develop a sense of flat posture, Flat Gear (FG) Buoyancy material Chloroprene rubber used over a wide area to achieve ease of movement and buoyancy Low-resistance knit swimsuit material Sonic Fit AC Regrettably, it will be folded and shipped via Nekoposu, so please understand.