Designed with New York summers in mind, our game-changing boxer briefs utilize a smooth cotton micro mesh (plus stretch) for maximum breathability and comfort.
This is an everyday pair that’s uniquely equipped to handle humidity—whether you’re laying in bed or biking to work. Impossibly light and airy (hence the name), you may even forget they’re there…
Men's Underwear & Briefs
| US Size | Waist (in) | Hip (in) |
|---|---|---|
| S | 28–30 | 34–36 |
| M | 31–33 | 37–39 |
| L | 34–36 | 40–42 |
| XL | 37–39 | 43–45 |
| XXL | 40–42 | 46–48 |
Men's Tops, T‑Shirts & Sweatshirts
| US Size | Chest (in) | Shoulder (in) | Sleeve Length (in) |
|---|---|---|---|
| S | 35–37 | 17–18 | 32–33 |
| M | 38–40 | 18–19 | 33–34 |
| L | 41–43 | 19–20 | 34–35 |
| XL | 44–47 | 20–21 | 35–36 |
| XXL | 48–51 | 21–22 | 36–37 |
Men's Pants & Bottoms
| US Size | Waist (in) | Hip (in) | Inseam (in) |
|---|---|---|---|
| 28 | 28 | 34–35 | 32 |
| 30 | 30 | 36–37 | 32 |
| 32 | 32 | 38–39 | 33 |
| 34 | 34 | 40–41 | 33 |
| 36 | 36 | 42–44 | 34 |
| 38 | 38 | 45–47 | 34 |
| 40 | 40 | 48–50 | 35 |
Men's Coats, Jackets & Outerwear
| US Size | Chest (in) | Shoulder (in) | Sleeve Length (in) |
|---|---|---|---|
| S | 36–38 | 17.5–18.5 | 33–34 |
| M | 39–41 | 18.5–19.5 | 34–35 |
| L | 42–44 | 19.5–20.5 | 35–36 |
| XL | 45–48 | 20.5–21.5 | 36–37 |
| XXL | 49–52 | 21.5–22.5 | 37–38 |
Men's Socks (Shoe Size)
| Sock Size | US Men Shoe Size |
|---|---|
| S | 6–8 |
| M | 8–10 |
| L | 10–13 |
| XL | 13–15 |
Backpacks & Men’s Accessories
| Size | Dimensions (H × W × D, in) | Capacity |
|---|---|---|
| Small | 16 × 10 × 5 | 18‑22L |
| Medium | 18 × 12 × 6 | 24‑28L |
| Large | 20 × 13 × 7 | 30‑35L |
* All measurements are in inches. Measure over light clothing for accuracy.
* If you are between sizes, we recommend sizing up for a more comfortable fit.
* Actual garment fit may vary slightly by style, fabric stretch and cut.
Designed with New York summers in mind, our game-changing boxer briefs utilize a smooth cotton micro mesh (plus stretch) for maximum breathability and comfort.
This is an everyday pair that’s uniquely equipped to handle humidity—whether you’re laying in bed or biking to work. Impossibly light and airy (hence the name), you may even forget they’re there…
- Supportive flyless pouch
- Targeted cool zones
- Moisture-wicking
- No-roll waistband
- Stay-put legs
Looking for the same underwear in a performance fabric? Try the original AIRKNITˣ.






