Everything You Need to Know About Men’s adidas Swimwear Sizes Before Buying

An adidas men’s swimsuit in size M does not have the same fit depending on whether it is a fitted boxer or a regular short. The size charts published by the brand are based on three body measurements, but the choice of cut alters the perception of size to the point that these charts become insufficient if read without context.

adidas men’s swimsuit size chart: measurements in centimeters

The table below summarizes the official correspondences noted on the European distributors referenced by adidas. It applies to men’s swimsuits, regardless of the cut.

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adidas Size Chest Circumference (cm) Waist Circumference (cm) Hip Circumference (cm)
XS 80-88 < 73 80-88
S 88-96 73-81 88-96
M 96-104 81-89 96-104
L 104-112 89-97 104-112
XL 112-124 97-109 112-120
XXL 124-136 109-121 120-128
XXXL 136-148 121-133 128-136

If your measurements fall between two sizes, adidas recommends choosing the smaller size for a fitted look, or the larger size for more comfort. When the chest and hip measurements do not correspond to the same line, the chest measurement takes precedence.

Understanding the sizing of adidas men’s swimsuits requires going beyond this table, as the cut of the model radically changes the feel on the body.

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Man wearing an Adidas swimsuit by the edge of an outdoor pool adjusting the size

Fitted cut or regular cut: the size difference that the chart does not show

Since 2024, adidas product sheets explicitly distinguish between two families of cuts for men’s swimsuits: fitted and regular. This distinction has a direct impact on the size sensation at identical measurements.

Fitted swimsuit: consider ordering one size up

The fitted models (competition boxers, swim briefs) hug the body. Several European distributors report that adidas fitted swim boxers run small and recommend taking one size up from the standard chart. A man who usually wears M in adidas clothing may find himself tight in a fitted M boxer.

This snug fit is not a manufacturing defect. The fitted cut is designed to reduce drag in the water. However, for beach or leisure pool use, the comfort is somewhat limited.

Regular swimsuit: more true to size

Regular swim shorts and boardshorts correspond more closely to the “true to size” feel. The elastic waistband with internal drawstring, present on most recent models, offers an adjustment margin that compensates for minor measurement discrepancies.

A regular short is ordered in your usual size, without adjustment. The difference in perception between the two cuts can reach a full size on the same hip measurement.

Recycled materials and the durability of the adidas swimsuit after multiple uses

The composition of adidas men’s swimsuits has significantly evolved since 2024. The brand is generalizing models made from recycled polyester, often advertised as 100% on European product sheets. This material choice has implications for the fit over time.

  • Recycled polyester offers less deformation after repeated washes than conventional virgin polyester, meaning the swimsuit retains its original shape longer.
  • The feel when worn is often described as more “structured”: the fabric has less natural flexibility than a stretchy material like pure elastane, which can enhance the impression of a tight fit on fitted cuts.
  • The elastic waistband with internal drawstring, common on regular models, partially compensates for this rigidity by allowing manual adjustment.

A swimsuit made from recycled polyester does not “stretch out” over time like one made from traditional synthetic fiber. The size chosen at purchase remains the size worn six months later. This behavior makes the initial choice all the more crucial.

Comparison of adidas men's swimsuits in different sizes with size guide in flat view

Taking measurements for an adidas men’s swimsuit: common mistakes

The chart is based on three measurements, but not all have the same weight depending on the type of swimsuit.

For a swim brief or boxer, the hip measurement is the decisive one. Take it at the widest point of the hips, without tightening the measuring tape. An error of two centimeters is enough to shift from one size to another on the adidas chart, where ranges overlap (the upper limit of one size corresponds to the lower limit of the next).

For swim shorts, the waist measurement becomes more relevant since the shorts sit on the high hips and waistband. Measure at the level of the navel, not above the iliac bone.

  • Take your measurements at the end of the day: the body is slightly larger than upon waking.
  • Wear the type of underwear you will wear under the swimsuit (or none, if that is your habit).
  • If you are unsure between two sizes on a fitted model, always choose the larger size.
  • On a regular model with a drawstring, the smaller size remains feasible thanks to the elastic adjustment.

The trend observed since 2024 in adidas men’s ranges, including children’s and women’s lines, is towards generally more fitted cuts than before. Customer feedback regularly mentions models deemed “very small” compared to expectations. This observation advocates for careful measurement rather than instinctive ordering.

The key takeaway remains simple: the adidas size chart provides a reliable framework, provided it is cross-referenced with the cut type of the targeted model. A fitted boxer in M and a regular short in M do not fit the same body in the same way, and this distinction often matters more than a centimeter of hip measurement.

Everything You Need to Know About Men’s adidas Swimwear Sizes Before Buying