From workdays to workouts, our lightest, most breathable underwear is uniquely designed to target extra airflow, keeping you cool, dry, and comfortable. Includes 3 pairs.
AIRKNIT™ fabric delivers superior breathability without bulk. The 8-inch inseam sits flat against your body with a comfortable waistband that won't ride up or dig in, whether you're at your desk or hitting the gym. You'll appreciate the durability built into every pair; these hold their shape and feel through countless washes.
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.
From workdays to workouts, our lightest, most breathable underwear is uniquely designed to target extra airflow, keeping you cool, dry, and comfortable. Includes 3 pairs.
AIRKNIT™ fabric delivers superior breathability without bulk. The 8-inch inseam sits flat against your body with a comfortable waistband that won't ride up or dig in, whether you're at your desk or hitting the gym. You'll appreciate the durability built into every pair; these hold their shape and feel through countless washes.
- Supportive flyless pouch
- Moisture-wicking & odor-fighting
- Targeted cool zones
- No-roll waistband
- Stay-put legs






