How to measure. Waist: around your natural waistline, tape comfortably loose, over bare skin or thin underwear. Each style has its own chart below, so measure for the one you are buying. In doubt? Go one size up. Unworn pairs can be exchanged under the 60-Day Confidence Guarantee.
Jump to: M96, M66, M65, P14, W01, SLK8036
M96 boxer brief with fly
| Size | Waist (in) | Waist (cm) |
|---|---|---|
| XS | 28.7 - 30.7 | 73 - 78 |
| S | 31.1 - 33.1 | 79 - 84 |
| M | 33.5 - 35.4 | 85 - 90 |
| L | 35.8 - 37.8 | 91 - 96 |
| XL | 38.2 - 40.2 | 97 - 102 |
| 2XL | 40.6 - 42.5 | 103 - 108 |
| 3XL | 42.9 - 44.9 | 109 - 114 |
| 4XL | 45.3 - 47.2 | 115 - 120 |
| 5XL | 47.6 - 49.6 | 121 - 126 |
| 6XL | 50.0 - 52.0 | 127 - 132 |
Measure around your natural waist. In doubt? Go one size up.
See the M96 boxer brief with fly →
M66 brief
| Size | Waist (in) | Waist (cm) |
|---|---|---|
| XS | 23.6 - 25.6 | 60 - 65 |
| S | 25.6 - 27.6 | 65 - 70 |
| M | 27.6 - 29.5 | 70 - 75 |
| L | 31.5 - 33.5 | 80 - 85 |
| XL | 33.9 - 35.8 | 86 - 91 |
| 2XL | 36.2 - 38.2 | 92 - 97 |
| 3XL | 38.6 - 40.6 | 98 - 103 |
| 4XL | 40.9 - 42.9 | 104 - 109 |
| 5XL | 43.3 - 45.3 | 110 - 115 |
| 6XL | 45.7 - 47.6 | 116 - 121 |
| 7XL | 48.0 - 50.0 | 122 - 127 |
| 8XL | 50.4 - 52.4 | 128 - 133 |
Measure around your natural waist. In doubt? Go one size up.
M65 brief with fly
| Size | Waist (in) | Waist (cm) |
|---|---|---|
| XS | 26 - 28 | 66 - 71.1 |
| S | 29 - 31 | 73.7 - 78.7 |
| M | 32 - 34 | 81.3 - 86.4 |
| L | 35 - 37 | 88.9 - 94 |
| XL | 38 - 40 | 96.5 - 101.6 |
| 2XL | 41 - 43 | 104.1 - 109.2 |
Measure around your natural waist. In doubt? Go one size up.
P14 leak-proof panty
| Size | Waist (in) | Waist (cm) | US | UK |
|---|---|---|---|---|
| XS | 24.8 - 26.7 | 63 - 68 | 4 | 8 |
| S | 27.2 - 28.7 | 69 - 73 | 6 | 10 |
| M | 29.1 - 31.1 | 74 - 79 | 10 | 14 |
| L | 31.5 - 33.5 | 80 - 85 | 12 | 16 |
| XL | 33.9 - 35.8 | 86 - 91 | 14 | 18 |
| 2XL | 36.2 - 38.2 | 92 - 97 | 16 | 20 |
| 3XL | 38.6 - 40.9 | 98 - 104 | 18 | 22 |
| 4XL | 41.3 - 43.3 | 105 - 110 | 20 | 24 |
Measure around your natural waist. In doubt? Go one size up.
See the P14 leak-proof panty →
W01 pee-proof full brief
| Size | Waist (in) | Waist (cm) | US | UK |
|---|---|---|---|---|
| XS | 23 - 25 | 58 - 64 | 2 | 6 |
| S | 25 - 26 | 64 - 66 | 4 | 8 |
| M | 26 - 28 | 66 - 71 | 6 | 10 |
| L | 28 - 30 | 71 - 76 | 8 | 12 |
| XL | 30 - 31 | 76 - 79 | 10 | 14 |
| 2XL | 31 - 33 | 79 - 84 | 12 | 16 |
| 3XL | 33 - 35 | 84 - 89 | 14 | 18 |
| 4XL | 35 - 36 | 89 - 91 | 16 | 20 |
| 5XL | 36 - 38 | 91 - 97 | 16 | 20 |
| 6XL | 38 - 39 | 97 - 99 | 18 | 22 |
Measure around your natural waist. In doubt? Go one size up.
See the W01 pee-proof full brief →
SLK8036 boyshort
| Size | Waist (in) | Waist (cm) | US | UK |
|---|---|---|---|---|
| XS | 23.2 - 24.8 | 59 - 63 | 2 | 6 |
| S | 25.2 - 26.8 | 64 - 68 | 4 | 8 |
| M | 27.2 - 28.7 | 69 - 73 | 6 | 10 |
| L | 29.1 - 31.1 | 74 - 79 | 10 | 14 |
| XL | 31.5 - 33.5 | 80 - 85 | 12 | 16 |
| 2XL | 33.9 - 35.8 | 86 - 91 | 14 | 18 |
| 3XL | 36.2 - 38.2 | 92 - 97 | 16 | 20 |
| 4XL | 38.6 - 40.9 | 98 - 104 | 18 | 22 |
Measure around your natural waist. In doubt? Go one size up.