Compact cut moves easily for unrestricted movement and focus
Reliable support stays in place without bulk or drag
Tag-free, flat-sewn seams on both sides prevent irritation
Stretch waistband with Prime Beef lettering for secure fit
Machine washable for easy care
The Performance Trunk is made for fast, focused training. Its compact cut moves easily, offers reliable support, and stays in place while you work. No bulk, no drag, just a smooth fit that keeps your training flow sharp * Back waistband with PRIME BEEF lettering MATERIAL: 83% Nylon, 17% Spandex
FIT: Fitted DETAILED FEATURES:
Tag-free and
Material
83% nylon, 17% spandex
Seam construction
Flat-sewn on both sides
Waistband
1/8 in (45 mm) stretch back waistband
Care instructions
Machine wash cold, hang dry or dry low heat
Available sizes
S (28-30 in / 71-76 cm), M (32-34 in / 81-86 cm), L (36-38 in / 91-97 cm), XL (40-42 in / 102-107 cm)
Pack options
Single or three-pack
5.0
9 ratings
5
4
3
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1
These fit really well and are very comfortable!
B
Bayron · October 21, 2026
Amazing quality, breathable!
Salvador · June 19, 2026
Great fit and very soft fabric. I’ll definitely get more