Enjoy the comfort of traditional boxer briefs with the confidence of secure packing. The SpareParts Pete Trunks are designed specifically for FTM and transmasculine individuals who want reliable support without sacrificing everyday comfort.
Pete Trunks feature a built-in packing pouch with an internal elastic security strap that keeps your packer comfortably positioned throughout the day. The open fly design provides easy access and works naturally with many STP devices, while the soft, breathable fabric keeps you cool whether you’re at work, exercising, or relaxing.
Constructed from lightweight moisture-wicking nylon and spandex, these trunks offer a smooth fit under clothing with no bulky seams or tags. Compatible with a wide variety of soft packers, Pete Trunks provide dependable support for everyday wear.
Features
Boxer brief style for everyday comfort
Designed for soft packers and many STP devices
Internal elastic security strap helps prevent shifting
Open fly design for easy access
Compatible with a wide variety of packer brands, sizes, and shapes
Comfortable, supportive fit for all-day wear
Breathable, moisture-wicking stretch fabric
Soft elastic waistband with tag-free construction
Smooth appearance under clothing
Hand or machine washable
Material
88% Nylon
12% Spandex
Size Chart
| Size | Waistband | Hip | Gusset | Leg Opening | Hole Opening | Hole Diameter |
|---|---|---|---|---|---|---|
| S (4–6) | 28–34 in 71–86 cm |
28–36 in 71–91 cm |
21–30 in 53–76 cm |
17–26 in 43–66 cm |
3.10–4.70 in 7.87–11.93 cm |
1–1.50 in 2.54–3.81 cm |
| M (6–8) | 29–36 in 74–91 cm |
29–38 in 74–97 cm |
22–31 in 56–79 cm |
19–27 in 48–69 cm |
3.10–4.70 in 7.87–11.93 cm |
1–1.50 in 2.54–3.81 cm |
| L (8–10) | 31–39 in 79–99 cm |
31–41 in 79–104 cm |
23–32 in 58–81 cm |
20–28 in 51–71 cm |
3.10–4.70 in 7.87–11.93 cm |
1–1.50 in 2.54–3.81 cm |
| XL (10–12) | 34–43 in 86–109 cm |
34–45 in 86–114 cm |
24–33 in 61–84 cm |
21–29 in 53–74 cm |
3.10–4.70 in 7.87–11.93 cm |
1–1.50 in 2.54–3.81 cm |
| 2X (14–16) | 36–46 in 91–117 cm |
36–48 in 91–122 cm |
25–34 in 64–86 cm |
22–30 in 56–76 cm |
3.10–4.70 in 7.87–11.93 cm |
1–1.50 in 2.54–3.81 cm |
| 3X (16–18) | 38–49 in 97–124 cm |
38–51 in 97–130 cm |
26–35 in 66–89 cm |
23–31 in 58–79 cm |
3.10–4.70 in 7.87–11.93 cm |
1–1.50 in 2.54–3.81 cm |
On smaller screens, swipe left or right to view the full size chart.
Measurement Guide
- Waistband: Measure around where the waistband will sit.
- Hip: Measure around the fullest part of the hips.
- Gusset: Measure from the front waistband, through the crotch, to the back waistband.
- Leg Opening: Circumference of one leg opening.
- Hole Opening: Circumference of the packer access opening.
- Hole Diameter: Diameter of the packer access opening.





