3 Pack Mens Trunks
★ 4.8 out of 5 (127 reviews)
The flatlock seams over the entire pair are of excellent quality, further reducing any chance of chafing.
— Basil, Auckland
These are the boxer briefs I make sure to put on when I'm working outside.
— Jason, Adelaide
The waistband isn't quite as thick as other pairs, but I never experienced them rolling.
— Frank, Perth
The quick-dry version beats out the competition, leaving you feeling drier down south as well, especially when you're handling a sunny day on the tools.
— Peter, Sydney
"Comfortable " "Have been a regular user of the Sly Collective briefs over many years. They are comfortable & supportive. " - Havana 12/04/2025 ✔ SHORT LEG ✔ NATURAL COTTON ✔ REGULAR & SLIM FIT AVAILABLE [wpcode id="93019"]
BULK BUY — Mix & Match Any Underwear
Discount automatically applied at cart.
Cheeky by nature.
Obsessed with comfort.
Proudly Aussie.
Machine wash cold (30°C) on a gentle cycle. Do not bleach. Do not tumble dry — hang to dry for best results. SLY fabrics are pre-shrunk and wash-stable; they soften with every wash without losing their shape.
95% Polyester 5% Elastane. Our signature SLY-Flex fabric is engineered for all-day comfort with exceptional stretch recovery. The four-way stretch eliminates ride-up and maintains its shape through hundreds of washes.
Standard Shipping — Pay $8.95 or spend $100 to receive complimentary standard shipping.
Please view our Shipping Information page for a break down on individual country shipping costs. This excludes import tax and duties that may apply.
30-day returns on unworn, unwashed items in original packaging. Simply contact our team and we'll arrange a hassle-free return or exchange. Hygiene items must be tried on over underwear.
View our full Returns & Refunds Policy for complete details.