Comfortable 4-way stretch plus moisture-wicking properties make the Atmosphere Boxer Brief an everyday essential on and off the track.
All sales made on FXR Last Lap are final. We do not accept returns or exchanges for any reason, including incorrect size, color, or style. Please review your order carefully before completing your purchase. All products sold are authentic FXR Racing discontinued merchandise and meet FXR’s quality standards.
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| Men - Regular (173 cm to 183 cm) | 3XS | 2XS | XS | S | M | L | XL | 2XL | 3XL | 4XL | 5XL |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Chest Circumference | 80-84 | 85-89 | 90-95 | 96-100 | 101-105 | 106-112 | 113-120 | 121-128 | 129-135 | 136-145 | 146-155 |
| Waist Circumference | 63-67 | 68-72 | 73-77 | 78-82 | 83-87 | 88-95 | 96-103 | 104-110 | 111-118 | 119-128 | 129-138 |
| Hip Circumference | 78-82 | 83-87 | 88-92 | 93-97 | 98-102 | 103-110 | 111-118 | 119-125 | 126-133 | 134-143 | 144-153 |
| Arm Length From Center Back Neck | 66-69 | 70-74 | 74-77 | 74-77 | 76-79 | 79-81 | 81-84 | 81-84 | 84-86 | 84-86 | 84-86 |
| Inseam | 69 | 71 | 74 | 76 | 79 | 81 | 81 | 81 | 79 | 76 | 76 |
| Men - Regular (5'8" to 6') | 3XS | 2XS | XS | S | M | L | XL | 2XL | 3XL | 4XL | 5XL | 6XL |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chest Circumference | 32 - 33 | 34 - 35 | 36 - 37 | 38 - 39 | 40 - 41 | 42 - 44 | 45 - 47 | 48 - 50 | 51 - 53 | 54 - 57 | 58 - 61 | 62 - 65 |
| Waist Circumference | 25 - 26 | 27 - 28 | 29 - 30 | 31 - 32 | 33 - 34 | 35 - 37 | 38 - 40 | 41 - 43 | 44 - 46 | 47 - 50 | 51 - 54 | 55 - 58 |
| Hip Circumference | 31 - 32 | 33 - 34 | 35 - 36 | 37 - 38 | 39 - 40 | 41 - 43 | 44 - 46 | 47 - 49 | 50 - 52 | 53 - 56 | 57 - 60 | 61 - 64 |
| Arm Length From Center Back Neck | 26 - 27 | 28 - 29 | 29 - 30 | 29 - 30 | 30 - 31 | 31 - 32 | 32 - 33 | 32 - 33 | 33 - 34 | 33 - 34 | 33 - 34 | 33 - 34 |
| Inseam | 27 | 28 | 29 | 30 | 31 | 32 | 32 | 32 | 31 | 30 | 30 | 30 |
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