tomboyx | Premium Underwear for All Day Comfort. Fit for You.

Why TomboyX Trunks Are Great for Gym and Workout Days

Why TomboyX Trunks Are Great for Gym and Workout Days

By tomboyx | Premium Underwear for All Day Comfort. Fit for You. | Published: 2026-10-13

Category: Product Reviews

TomboyX trunks deliver stay-put coverage and moisture-wicking comfort for lifting, cycling, and gym days. Here is how to choose the right pair for your workout.

Quick answer

TomboyX trunks work well for gym days because they stay put, resist riding up, and manage sweat without bulky seams. For most workouts, start with a trunk that matches your movement: a snug, high-waist tucking short for compression and coverage, or a soft cotton-blend brief for lower-impact training. If you want adjustable compression for your upper body, add the Compression Plus Adjustable top.

What to look for in gym underwear

The best underwear for workouts solves three problems: it stays in place during squats, rows, and sprints; it moves sweat away from skin; and it does not create pressure points under leggings or shorts. Look for a cut that covers without creeping, a fabric that breathes, and a waistband that does not roll. TomboyX trunks and boy shorts are built around those priorities, with options for different compression levels and coverage needs.

Boy Shorts
boy shorts

Match the trunk to your training

For heavy lifting or high-intensity intervals, choose a pair with secure compression and a high waist. The Tucking Boy Short - X= is designed with double-layered interlock polyester and 1-way stretch for snug, breathable compression that wicks moisture. For yoga, walking, or everyday gym sessions, a softer cotton-blend brief like the Iconic Briefs 3-Pack gives you full coverage without extra compression. If you want adjustable support for your chest during workouts, the Compression Plus Adjustable top lets you dial in lift and hold with shoulder straps that help prevent armpit chafe.

Iconic Briefs
Iconic Briefs

Fabric and fit details that matter at the gym

Moisture-wicking underwear helps you stay dry, but the fit matters just as much. A trunk that is too loose will bunch under leggings; one that is too tight can dig in at the waist or legs. TomboyX tucking shorts use a high waist and cheeky cut for a feminine silhouette with secure compression. The Bamboo Rib Sleeveless Midi Dress is not gym underwear, but it is a comfortable post-workout layer thanks to breathable bamboo rib that hugs without clinging. For the Iconic Briefs 3-Pack, note the catalog sizing guidance: this batch runs small, so size up one from your usual size.

Decision rules for gym underwear

  • If you lift heavy or do high-intensity intervals: Choose a high-waist, compression-focused trunk like the Tucking Boy Short - X= to prevent riding up and manage sweat. Prioritize secure compression and moisture wicking.
  • If you prefer softer, lower-compression coverage: Go with the Iconic Briefs 3-Pack for full coverage that stays put during yoga, walking, or light training. Remember to size up one from your usual size for this batch.
  • If you want adjustable upper-body support: Add the Compression Plus Adjustable top to customize lift and hold and reduce armpit chafe during movement. Expect 20% more compression than the bestselling Compression Top.

Product facts

  • Tucking Boy Shorts - X=: Tucking Boy Short - X= features double-layered interlock polyester with 1-way stretch for snug, secure compression while retaining breathability and moisture wicking. This makes it a strong choice for high-movement workouts where you want coverage that stays put and manages sweat.
  • Iconic Briefs 3-Pack: Iconic Briefs 3-Pack uses a supersoft, extra-breathable cotton blend with a full-coverage cut that won't ride up; the catalog notes this batch runs small, so size up one from your usual size. A good low-compression option for lighter gym days, but you'll want to adjust sizing for comfort.
  • Compression Plus Adjustable: Compression Plus Adjustable offers strong compression with adjustable shoulder straps to customize comfort, prevent armpit chafe, and dial in lift and hold; it has 20% more compression than the bestselling Compression Top. Useful if you want adjustable upper-body compression during workouts without sacrificing range of motion.

Who these are best for

Best for

  • Gym-goers who want underwear that stays put during squats, lifts, and cardio
  • Anyone seeking moisture-wicking trunks or boy shorts for workouts
  • People who want adjustable compression for upper-body support during training

Not for

  • Those who prefer very loose, non-compressive underwear for intense workouts
  • Shoppers who need a specific athletic performance guarantee not listed in the catalog

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