Lumo Air™ Cooling Boxer
Everyday comfort, made for men who run hot.
- ✓ Soft, breathable fabric built for daily wear
- ✓ Tagless, chafe-free waistband
- ✓ Holds its shape wash after wash
- ✓ Arrives in 3 to 10 business days with tracking
Size Guide
Measure your waist in inches. Between sizes? Go up for lounging, down for workouts.
| Size | S | M | L | XL | 2XL | 3XL | 4XL |
|---|---|---|---|---|---|---|---|
| Waist (in) | 28-30 | 31-33 | 34-36 | 37-39 | 40-43 | 44-47 | 48-50 |
Engineered for Everyday Comfort
Designed for men who expect more from the essentials, the Lumo Air™ Boxer is powered by AirWeave™ technology to help regulate temperature, improve airflow and move naturally with your body. An ergonomic fit and StayFit™ construction provide lasting comfort from morning to night.
Technology: AirWeave™ Performance Fabric
Composition: 94% Bamboo-Derived Performance Fibers, 6% Elastane
Fit: Ergonomic Boxer Brief
Fabric: Lightweight Performance Knit
Designed For: Everyday Wear
Machine wash cold. Holds shape, stretch and color, wash after wash.
Ships in 1–2 days, arrives in 3–10 with tracking. Free over $40. Unused returns within 60 days, see Refunds.
Engineered to breathe
An ergonomic fit built to regulate temperature and move with your body, so you stay comfortable from the first hour to the last.
What's actually different
Engineered for Everyday Comfort
Designed for men who expect more from the essentials, the Lumo Air™ Boxer is powered by AirWeave™ technology to help regulate temperature, improve airflow and move naturally with your body. An ergonomic fit and StayFit™ construction provide lasting comfort from morning to night.
Technology: AirWeave™ Performance Fabric
Composition: 94% Bamboo-Derived Performance Fibers, 6% Elastane
Fit: Ergonomic Boxer Brief
Fabric: Lightweight Performance Knit
Designed For: Everyday Wear
It's not you. It's cheap fabric.
Stiff, scratchy basics wear out fast. Soft fabric and a real fit don't.
- Scratchy, stiff fabric
- Loses shape after a few washes
- Waistband digs in
- Soft, breathable fabric
- Holds its shape wash after wash
- Tagless, chafe-free waistband
No shifting, no adjusting
A supportive cut that holds its shape through a full day of movement: sit, stand, walk, repeat.
Why it's worth the drawer space
Soft fabric that moves with you, not against you.
Holds its shape and color wash after wash.
60-day comfort guarantee on every pair.
Part of the same drawer.
This pair is built on the same promise as every Lumo product: real sizes, honest fabric, and a 60-day guarantee if it's not right. Mix and match with the rest of the collection.
Questions
Measure your waist in inches and consult the chart below. Between sizes? Choose the larger one.
Exchange unworn items free or request a refund within 60 days.
Yes, cut for real bodies, not just the average frame. Check the Size Guide and measure before you order. Between sizes, go up.
