One Size Doesn't Fit All
All measurements are in inches and reflect body measurements. If you are in between sizes, size up for comfort. Got questions? Email us at info@freeflyapparel.com.
Men
Women
Toddler
Youth
| Alpha Sizes | Numeric Sizes | Chest | Waist | Hip | Sleeve |
|---|---|---|---|---|---|
| S | 30–31 | 36–38 | 30–32 | 34–37 | 32–33 |
| M | 32–33 | 38–40 | 32–34 | 37–39 | 33–34 |
| L | 34–35 | 41–43 | 35–37 | 40–42 | 34–35 |
| XL | 36–38 | 44–46 | 38–40 | 43–45 | 35–36 |
| XXL | 40 | 47–49 | 41–43 | 46–48 | 36–37 |
| 3XL | 50–52 | 44–46 | 49–51 | 36–37 |
How to Measure Yourself
-
CHEST
Measure circumference from the widest part around chest, about 1” down from armpit.
-
SLEEVE
With arm slightly bent, measure from center back neck to shoulder, down arm to wrist bone.
-
TRUE WAIST
Measure around your natural waist, narrowest part of your torso.
-
HIP
Measure around the fullest part of your hips.
Free Returns & Exchanges
If you try it and it doesn't fit, no problem. Returns and exchanges are free and easy. Learn More
Men's Bamboo Motion Boxer Brief
Why You'll Love It
Ready for a top drawer refresh? Our Bamboo Motion Boxer Brief is here to replace all your old pairs with an insanely soft, four-way stretch design. Outfitted with natural odor-resistance, they’ll keep you feeling fresh all day long. They’ve been racking up five-star reviews ever since we first launched them, and here’s what the people are saying: “So good, I ended up ordering another batch of six.” “Hands down, the most durable and comfortable boxers I’ve found.” “Feel great from the moment you put them on till you take them off after a long day.” Sold? Us too.
One Size Doesn't Fit All
All measurements are in inches and reflect body measurements. If you are in between sizes, size up for comfort. Got questions? Email us at info@freeflyapparel.com.
Men
Women
Toddler
Youth
| Alpha Sizes | Numeric Sizes | Chest | Waist | Hip | Sleeve |
|---|---|---|---|---|---|
| S | 30–31 | 36–38 | 30–32 | 34–37 | 32–33 |
| M | 32–33 | 38–40 | 32–34 | 37–39 | 33–34 |
| L | 34–35 | 41–43 | 35–37 | 40–42 | 34–35 |
| XL | 36–38 | 44–46 | 38–40 | 43–45 | 35–36 |
| XXL | 40 | 47–49 | 41–43 | 46–48 | 36–37 |
| 3XL | 50–52 | 44–46 | 49–51 | 36–37 |
How to Measure Yourself
-
CHEST
Measure circumference from the widest part around chest, about 1” down from armpit.
-
SLEEVE
With arm slightly bent, measure from center back neck to shoulder, down arm to wrist bone.
-
TRUE WAIST
Measure around your natural waist, narrowest part of your torso.
-
HIP
Measure around the fullest part of your hips.
Free Returns & Exchanges
If you try it and it doesn't fit, no problem. Returns and exchanges are free and easy. Learn More
UPF 50+ Sun
Protection
Quick-Dry
4-Way Stretch
Made of Viscose
from Bamboo
- TYLER B.Verified BuyerRated 5 out of 5 stars3 minutes agoReviewingMen's Bamboo Motion Boxer Brief - Slate Slate / XLThe best boxer hands down
Do yourself a favor and order every color you will thank me later! These are legit don’t ride up you they stay put and best of all you never even know they are there
What is your height? 5'10-6'0What is your weight? 220-240What size did you purchase? XLFor what activity do you recommend this product? Travel, Work, Casual Wear, Running, Hiking - TYLER B.Verified BuyerRated 5 out of 5 stars5 minutes agoReviewingMen's Bamboo Motion Boxer Brief - Vintage Camo Vintage Camo / XLThese are my go to!
I had a brand called saxx underwear before I bought 3 pair of these last year and let me say there’s a clear winner I ordered 3 more pair and I will not wear any other brand from shorts pants underwear and shirts hats I wear only free fly and that’s the truth!
What is your height? 5'10-6'0What is your weight? 220-240What size did you purchase? XLFor what activity do you recommend this product? Casual Wear, Running, Surfing, Travel, Work - GARYRated 1 out of 5 stars1 week agoReviewingMen's Bamboo Motion Boxer Brief - Slate Blue Slate Blue / L1 Star
Boxers not up to quality of previous Free Fly Boxers. Seem to be woven more tightly and don’t permit adequate ventilation for me. Very disappointing
- William A.Verified BuyerRated 5 out of 5 stars1 week agoReviewingMen's Bamboo Motion Boxer Brief - Slate Blue Slate Blue / XLHad to have a Blue Pair!
Great fit. I like my underwear a little looser than most so I order larger.
What is your height? 5'7-5'9What is your weight? 200-220What size did you purchase? XLFor what activity do you recommend this product? Casual Wear, Fishing, Hiking, Work, Travel - William A.Verified BuyerRated 5 out of 5 stars1 week agoReviewingMen's Bamboo Motion Boxer Brief - Black Black / XLHad to have a Black pair.
Great product.
What is your height? 5'7-5'9What is your weight? 200-220What size did you purchase? XLFor what activity do you recommend this product? Casual Wear, Fishing, Hiking, Work, Travel - William A.Verified BuyerRated 5 out of 5 stars1 week agoReviewingMen's Bamboo Motion Boxer Brief - Vintage Camo Vintage Camo / XLLove the Camo!
Great fit and comfy.
What is your height? 5'7-5'9What is your weight? 200-220What size did you purchase? XLFor what activity do you recommend this product? Casual Wear, Fishing, Hiking, Work, Travel - Mike W.Verified BuyerRated 5 out of 5 stars2 weeks agoReviewingMen's Bamboo Motion Boxer Brief - Vintage Camo Vintage Camo / LBoxers
Great fit, comfy, less sweat, great look!!!
What is your height? 5'10-6'0What is your weight? 180-200What size did you purchase? LFor what activity do you recommend this product? Casual Wear, Running, Fishing, Surfing, Travel - Lawrence O.Verified BuyerRated 5 out of 5 stars2 weeks agoReviewingMen's Bamboo Motion Boxer Brief - Vintage Camo Vintage Camo / Lsporty and comfy
super comfortable boxers
What is your height? 5'10-6'0What is your weight? 180-200What size did you purchase? LFor what activity do you recommend this product? Casual Wear, Yoga, Fishing, Hiking, Running