9" Modal Boxer Briefs 3-Pack in The Blues: Fit and Wash Tips
By tomboyx | Premium Underwear for All Day Comfort. Fit for You. | Published: 2026-11-04
Category: Product Reviews
Learn how to dial in the fit of 9" modal boxer briefs and wash them so the soft TENCEL™ Modal stays smooth, stretchy, and chafe-free.
Quick answer
Choose your usual size for a close, stay-put fit, then wash the briefs inside out in cold water and air-dry them to protect the TENCEL™ Modal and flatlock seams. The 9" inseam is the longest cut in the 9" Boxer Briefs 3-Pack - Modal The Blues, so it suits anyone who wants full coverage without constant adjusting.
Why the 9" length changes your fit check
A 9" inseam reaches farther down the thigh than shorter boxer briefs, so the leg opening sits closer to the knee. That extra length is what helps prevent ride-up, but it also means the fit around your thighs matters more than the waistband alone. If the legs feel tight when you squat or sit, size up rather than accepting a pinch that will only get worse with wear.
What the modal fabric means for washing
TENCEL™ Modal is soft and highly stretchy, but heat is its enemy. Hot water and high dryer heat can break down the fiber over time, leaving the briefs less smooth and less elastic. Treat them like any delicate stretch fabric: cold wash, mild detergent, and no fabric softener, which can coat the fibers and reduce breathability.
How to fit and wash your 9" modal boxer briefs
- Check the waistband and leg openings before wearing: Try the briefs on and squat, sit, and walk. The waistband should stay flat without digging in, and the leg openings should lie smooth without pinching. If either feels tight, exchange for a larger size before washing. Do this try-on before any wash, since washed underwear usually can't be returned.
- Turn them inside out and sort by color: Turn each pair inside out to protect the flatlock seams and the outer surface. Wash the blues and black separately from light colors for the first few washes to avoid any dye transfer. Inside-out washing also helps prevent pilling on the modal surface.
- Use cold water and a mild detergent: Set your machine to a cold, gentle cycle with a mild liquid detergent. Skip fabric softener and bleach, which can damage the stretch fibers and reduce softness. If your machine has a mesh bag, use it to keep the briefs from snagging on zippers or hooks.
- Air-dry or tumble on low heat: Lay the briefs flat to air-dry or tumble dry on the lowest heat setting. High heat is the fastest way to shrink or stiffen modal, so avoid it entirely. Hang-drying in a well-ventilated spot keeps the waistband elastic from weakening.
- Rotate pairs to extend wear life: Cycle through all three pairs in the pack rather than wearing the same pair repeatedly. Give each pair a rest day between wears so the elastic can recover. A simple rotation keeps the stay-put waistband feeling new for longer.
Product facts
- 9" Boxer Briefs 3-Pack - Modal The Blues: Made from soft, sustainable TENCEL™ Modal with a 9" inseam and smooth flatlock seams. The long cut and seam construction are designed to reduce chafing, so proper washing helps preserve that smooth feel.

9" Boxer Briefs 3-Pack - Modal The Blues - 9" Boxer Briefs 3-Pack - Modal The Blues: The 3-pack includes solids Too Blue, Ink Blue Edge, and Black in a mid rise. Having three pairs lets you rotate them, which extends the life of each pair between washes.
