blueseventy does not sell a separate plus-size line. A swim wetsuit follows height and weight instead of clothing sizes, and the size charts are built that way for men and women. Every women's blueseventy wetsuit also uses the Femme Fit pattern, which adjusts the cut through the bust, torso, wrists, ankles, and hips. Match your current measurements to the chart, then use the test swim policy to confirm the fit in real water.
Start with height and weight
Your first step is the size chart for the exact model you want. Find the line where your height and weight meet. On land the suit should feel snug, even slightly tight. In the water it relaxes. If you are between sizes or carry more of your weight through the hips and thighs, use the sizing tool or contact blueseventy support before you order. Do not guess by t-shirt size. A suit that matches your shirt size can still be loose through the torso or too long in the legs.
What Femme Fit changes for women
Every women's blueseventy wetsuit includes Femme Fit. Femme Fit refines the pattern through the bust, torso, wrists, and ankles. The neckline sits lower to reduce chafing. The zipper runs longer, which makes entry easier, gives more room through the hips, and speeds up transitions. For a plus-size woman, these changes matter because they alter where the suit carries tension. You get a cut designed for a swimmer's body rather than one stretched from a narrower pattern.
Model choice follows your training and water temperature
Plus-size swimmers choose from the same models as any swimmer. The deciding questions are how often you swim and what water temperatures you face.
- Sprint: the entry-level place to start.
- Fusion: for shorter, more frequent swims when you train at least once a week.
- Reaction: for longer, more frequent swims and higher-grade neoprene.
- Thermal Reaction: for water below about 56 to 58°F.
- Reaction Sleeveless: for water above about 70 to 72°F, when a full suit can feel warm over longer swims.
Donning and fit check
Correct donning changes how the suit fits. Put the legs in first and work the neoprene up gradually, pausing enough to eliminate folds and to get the suit seated through the hips and torso before pulling the shoulders into place. Put your arms in last. Pull the shoulder panels up and forward so the suit is not hanging off your shoulders. If you don the suit incorrectly, especially pulling on the shoulders, you will tire faster.
Once the suit is on, reach both arms overhead and across your body. You should feel snug support, not sharp pressure or shoulder pull. Check for large folds or gaps through the torso. If you see them, try the next size or contact support.
Why fit matters for body position
A swim-specific wetsuit adds buoyancy and helps lift your hips and legs in the water. That improves body position and reduces drag. A suit that fits close through the torso delivers that lift more evenly. A suit that is too loose lets water move through the suit and can rub. A suit that is too tight restricts your breathing and stroke. For larger swimmers, the close fit through the hips and torso matters because poor cuts there can cause chafing or interfere with the kick.
Use the test swim
blueseventy allows you to swim in a wetsuit and still return or exchange it within 30 days if it is clean, dry, unmodified, and has its tags. Take the suit through your normal strokes, check for chafing or shoulder restriction, and decide from the water rather than from the mirror. This policy removes much of the online ordering risk for plus-size swimmers.
Use the size chart tool or contact blueseventy support to narrow your size before you order. Take a test swim. Happy swimming.