SweatCraze
ThermaCore Sweat Waist Trainer
ThermaCore Sweat Waist Trainer
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Turn up the heat on every workout. ThermaCore's thermal interior layer is built to intensify core warmth while you train, paired with flexible boning that moves the way you do.
Why you'll love it:
- Thermal interior layer increases core warmth during activity
- Flexible boning supports natural movement through every set
- Hook-and-eye closure adjusts as your workout intensity does
- Built for training sessions, not all-day wear
Fit: Measure your natural waist before ordering for the most accurate fit.
Sweat-enhancing design; not intended as a weight-loss product.
Free US shipping. 30-day returns.
Size Guide
Size Guide
Use this guide to find your size across our shapewear, corsets, and waist trainers. Letter sizes are matched to standard US dress sizes below — if you're between two sizes, size up for all-day comfort or size down for maximum compression.
Corsets, Bustiers & Body Shapers
| Size | US Dress Size | Waist (in) | Hip (in) |
|---|---|---|---|
| S | 4–6 | 25–27 | 35–37 |
| M | 8–10 | 28–30 | 38–40 |
| L | 12–14 | 31–33 | 41–43 |
| XL | 16–18 | 34–37 | 44–47 |
| XXL / 2XL | 20–22 | 38–41 | 48–51 |
| XXXL / 3XL | 24–26 | 42–45 | 52–55 |
| 4XL | 28–30 | 46–49 | 56–59 |
| 5XL | 32–34 | 50–53 | 60–63 |
| 6XL | 36–38 | 54–57 | 64–67 |
Waist Trainers & Waist Belts
| Size | Natural Waist (in) |
|---|---|
| XS | 23–25 |
| S | 26–28 |
| M | 29–31 |
| L | 32–35 |
| XL | 36–39 |
| XXL | 40–43 |
| XXXL | 44–47 |
| 4XL | 48–51 |
Leggings & High-Waist Briefs
| Size | US Dress Size | Waist (in) | Hip (in) |
|---|---|---|---|
| S | 2–4 | 24–26 | 34–36 |
| M | 6–8 | 27–29 | 37–39 |
| L | 10–12 | 30–32 | 40–42 |
| XL | 14–16 | 33–36 | 43–46 |
How to Measure
- Waist: Measure around your natural waistline, at the narrowest point above your belly button.
- Hip: Measure around the fullest part of your hips, keeping the tape parallel to the floor.
This chart is a general US sizing reference across our shapewear styles. Exact fit can vary slightly by garment and material stretch — check the size note on each product page for style-specific guidance.
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