DUI Weight & Trim harness sizing (Weight & Trim Classic and Weight & Trim III). Imperial in bold, metric underneath.
| Size | Height ft/in · cm |
Hip in · cm |
|---|---|---|
| Small |
≤5′5″ ≤165 |
≤49 ≤124 |
| Medium |
5′4″–5′11″ 163–180 |
≤58 ≤147 |
| Large |
5′10″+ 178+ |
≤64 ≤163 |
On DUI’s chart the size boxes overlap: at 64″–65″ tall the chart shows Small or Medium (hips up to 49″), and at 70″–71″ tall it shows Medium or Large (hips up to 58″).
How DUI measures
- Hips: Take this measurement from the side of the person so you can see the placement of the tape. Place the tape around the hips across the widest point of the buttocks. (Make sure they empty their pockets if in street clothes.)
Source: DUI’s size chart. Where the chart prints only one unit, we converted the other: centimeters from inches (to the nearest centimeter).
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Product Information
- Adjustable Weight Distribution – Slide weights forward, backward, up, or down for perfect trim and buoyancy control.
- Quick-Dump System – Patented pull-cord with large handle releases weights instantly; holds weights away from the body when deployed.
- High Capacity – Supports up to 40 lbs (20lb per side in Large pockets) for versatile diving needs.
- Universal Compatibility – Fits under most buoyancy compensators (BCs) and works with wetsuits or drysuits.
- Half-Weight Dumping – Release 50% of weights at a time for controlled emergency ascents.
- Two Size Options – Choose between Small (10lb per side) or Large (20lb per side) pockets.
- Ergonomic Design – Reduces back strain by evenly distributing weight across the harness.
| Specification | Details |
|---|---|
| Weight Capacity | Up to 40 lbs (20lb per side in Large pockets) |
| Pocket Sizes | Small (10lb per side) / Large (20lb per side) |
| Dumping Mechanism | Pull-cord with easy-grip handle; half-weight release |
| Compatibility | Fits most BCs; wetsuit and drysuit diving |
| Sizes | S, M, L |
| Variations | 6 configurations (Small/Large pockets) |
⚠️ WARNING: This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
