Basix Comfort One Trunk
Basix Comfort One Trunk
Basix Comfort One Trunk
Basix Comfort One Trunk
Basix Comfort One Trunk
Basix Comfort One Trunk
Basix Comfort One Trunk
Basix Comfort One Trunk
Basix Comfort One Trunk
Basix Comfort One Trunk
Basix Comfort One Trunk
Basix Comfort One Trunk
Basix Comfort One Trunk
Basix Comfort One Trunk
Basix Comfort One Trunk
Basix Comfort One Trunk

Swift Trunk, Men's Stretch Underwear

Regular price
$15.00
Unit price
per

Find Your Perfect Comfort Size

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Size: S
Color: Red/Black
SKU: BK-732

Swift Trunk Move through your day with confidence in the Swift Trunk, designed for men who appreciate lightweight comfort, flexible support, and a modern fit. Made from a premium 95% cotton and 5% spandex blend, this trunk deli...

HURRY UP! ONLY 187 LEFT IN STOCK

Size Guide
Size Guide

               UNDERWEAR AND T-SHIRT SIZE CHARTS       

UNDERWEAR SIZING
Regular Waist Size  Tall Waist Size
Inches CM        Inches CM
Small 30 - 32 76 - 81 Large Tall 38 - 40 97 - 102
Medium 34 - 36 86 - 91 XL Tall 42 - 44 107 - 112
Large 38 - 40 97 - 102 2XL Tall 46 - 48 117 - 122
X Large 42 - 44 107 - 112 3XL Tall 50 - 52 127 - 132
2XL 46 - 48 117 - 122 4XL Tall 54-56 137 - 142
3XL  50 - 52 127 - 132
4XL  54 - 56 137 - 142
5XL  58 - 60 147 - 152
6XL  62 - 64 157 - 163
7XL  66 - 68 168 - 173
8/9XL  70 - 74 183 - 188
10/11XL 78 - 80 198 - 203
 

 T-SHIRT SIZING

Regular Chest Size  Tall Chest Size
Inches CM        Inches CM
Small 34 - 36 86 - 91 Large Tall 42 - 44 107 - 112
Medium 38 - 40 97 - 102 X Tall 46 - 48 117 - 122
Large 42 - 44 107 - 112 2X Tall 50 - 52 127 - 132
X Large 46 - 48 117 - 122 3X Tall 54 - 56 137 - 142
2XL 50 - 52 127 - 132 4X Tall 58 - 60 147 - 152
3XL  54 - 56 137 - 142 5/6X Tall 64 - 66 163 - 168
4XL  58 - 60 147 - 152
5XL  62 - 64 157 - 163
6XL  66 - 68 168 - 173
7/8XL  72 - 74 183 - 188
9/10XL  78 - 80 198 - 203


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Compare Color
Basix Comfort One Trunk
Red/Black
Basix Comfort One Trunk
Black/Royal
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Basix Comfort One Trunk

Swift Trunk, Men's Stretch Underwear

Size: S
Color: Red/Black
Regular price
$15.00
Unit price
per

Estimate delivery times: 12-26 days (International), 3-6 days (United States).

Return within 45 days of purchase. Duties & taxes are non-refundable.

Pairs well with

Basix Comfort One Trunk

Swift Trunk, Men's Stretch Underwear

Regular price
$15.00
Unit price
per
S
Red/Black

Shop Similar Styles

Product description Shipping & return Size Guide
+

Swift Trunk

Move through your day with confidence in the Swift Trunk, designed for men who appreciate lightweight comfort, flexible support, and a modern fit. Made from a premium 95% cotton and 5% spandex blend, this trunk delivers breathable softness with just the right amount of stretch, keeping you comfortable whether you're at work, traveling, hitting the gym, or relaxing at home.

Featuring a supportive snug pouch, a secure exposed elastic waistband, and contrast piping along the leg openings, the Swift Trunk combines everyday performance with clean, contemporary style. Its lightweight fabric and regular snug fit move naturally with your body, making it an essential choice for all-day wear.

Key Features

  • 95% Cotton, 5% Spandex for breathable softness and flexible stretch

  • Lightweight fabric for lasting everyday comfort

  • Exposed elastic waistband for a secure, comfortable fit

  • Supportive snug pouch with contrast side panel

  • Regular snug fit that moves naturally with your body

  • Contrast piping at the leg openings for a refined finish

  • Sewn with dye-to-match (DTM) thread for a clean, coordinated look

  • 2.5-inch inseam offers a modern trunk silhouette

  • Ideal for everyday wear, travel, commuting, and active lifestyles

Materials

95% Cotton, 5% Spandex

Care

  • Wash separately and inside out

  • Machine wash cold

  • Reshape while damp to help maintain fit and shape

  • Tumble dry low

  • Do not bleach

Frequently Asked Questions

1. What makes the Swift Trunk different from a regular trunk?

The Swift Trunk combines breathable cotton with flexible stretch fabric, a supportive pouch, and a modern trunk fit to provide all-day comfort and unrestricted movement.

2. Is the Swift Trunk suitable for active days?

Yes. The lightweight cotton-spandex blend, supportive fit, and flexible construction make it ideal for commuting, travel, light workouts, and everyday activities.

3. Does the pouch provide extra support?

Absolutely. The snug pouch is designed to provide secure, natural support while maintaining comfort throughout the day.

4. Will the fabric stretch with movement?

Yes. The 95% cotton and 5% spandex blend provides comfortable stretch that moves with your body while helping the trunk maintain its shape.

5. How should I care for the Swift Trunk?

Wash separately and inside out in cold water, reshape while damp, and tumble dry on low heat to help preserve the fabric and fit.

 

FREE SHIPPING ON ORDERS OVER $75

All orders ship out of Dania, Florida, USA. Orders normally ship within one business day of receipt.

You can ship to a U.S. delivery address in the 50 states only.
You can ship to APO/FPO addresses only when they have a U.S. zip code.
You may find geographic shipping restrictions apply to particular products.

Free shipping on orders over $75 does not apply to shipping addresses outside a U.S. delivery address in the 50 states. Any additional international shipping fees (e.g. Customs Fees) are the responsibility of the customer. For International Shipping we currently offer First Class Service USPS. We do not ship internationally for orders larger than 4lbs.

Thank you for your patronage!

               UNDERWEAR AND T-SHIRT SIZE CHARTS       

UNDERWEAR SIZING
Regular Waist Size  Tall Waist Size
Inches CM        Inches CM
Small 30 - 32 76 - 81 Large Tall 38 - 40 97 - 102
Medium 34 - 36 86 - 91 XL Tall 42 - 44 107 - 112
Large 38 - 40 97 - 102 2XL Tall 46 - 48 117 - 122
X Large 42 - 44 107 - 112 3XL Tall 50 - 52 127 - 132
2XL 46 - 48 117 - 122 4XL Tall 54-56 137 - 142
3XL  50 - 52 127 - 132
4XL  54 - 56 137 - 142
5XL  58 - 60 147 - 152
6XL  62 - 64 157 - 163
7XL  66 - 68 168 - 173
8/9XL  70 - 74 183 - 188
10/11XL 78 - 80 198 - 203
 

 T-SHIRT SIZING

Regular Chest Size  Tall Chest Size
Inches CM        Inches CM
Small 34 - 36 86 - 91 Large Tall 42 - 44 107 - 112
Medium 38 - 40 97 - 102 X Tall 46 - 48 117 - 122
Large 42 - 44 107 - 112 2X Tall 50 - 52 127 - 132
X Large 46 - 48 117 - 122 3X Tall 54 - 56 137 - 142
2XL 50 - 52 127 - 132 4X Tall 58 - 60 147 - 152
3XL  54 - 56 137 - 142 5/6X Tall 64 - 66 163 - 168
4XL  58 - 60 147 - 152
5XL  62 - 64 157 - 163
6XL  66 - 68 168 - 173
7/8XL  72 - 74 183 - 188
9/10XL  78 - 80 198 - 203