• Man wearing a navy t-shirt and shorts set on a plain background
  • MWG FLEXSAFE Men's FR Boxer Brief. Men's FR Underwear are navy and made with inherently flame resistant fabric.
  • Image of MWG FLEXSAFE Men's FR Boxer Brief. FR Underwear are navy in colour with a silver MWG logo on right thigh. MWG FLEXSAFE is an inherent flame-resistant fabric.
  • Image of MWG FLEXSAFE Men's FR Boxer Brief. FR Underwear are navy in colour and are a traditional boxer brief cut. MWG FLEXSAFE is an inherent flame-resistant fabric.
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MWG FLEXSAFE™ Men's FR Boxer (2-Pack) - 60G09

MWG FLEXSAFE™ Men's FR Boxer (2-Pack) - 60G09

$104.50
$104.50
Sale Sold out

MWG FLEXSAFE™ Men's FR Boxer offers superior protection with inherent flame-resistant fabric designed to meet rigorous safety standards. Engineered with four-way stretch, these boxers provide exceptional comfort and freedom of movement. The moisture-wicking and breathable material keeps you dry and comfortable throughout long workdays, making them an essential base layer for professionals requiring reliable flame resistance without sacrificing comfort.

Technical Specifications

ASTM 1506-22 / ATPV 4.3 / CAT 1

75 FR ACRYLIC / 19 TENCEL / 6 SPANDEX

SUPER SOFT

LIGHTWEIGHT

4 WAY STRETCH

MOISTURE WICKING & ODOR RESISTANT

Size & Fit

Shipping & Returns

Orders are typically shipped within 4-7 business days.

Returns or exchanges are accepted within 30 business days after an order is placed.

MWG offers an extended warranty on all FR Clothing.

Washing & Care

For best results:

Wash inside out

Domestic laundry

Machine wash warm

Tumble dry low

Do not bleach

Do not use fabric softeners

Do not dry clean

Do not use deet

Warranty

View full details
All FR Clothing is third-party tested to ensure accuracy and transparency. Full test results can be made available upon request.

  • Free Shipping

    Free shipping on orders of $100 or more in Canada.

    Premium FR Clothing without the extra cost.

  • Hassle-Free Exchanges

    All unworn and unwashed orders are eligible for exchange or return within 30 days after receiving your order. All purchases include our extended warranty.