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

*Learn how to find your true waist below.

Please find inseam length on specific product detail page.

Select Your Size

How to Measure Yourself

Use the guide below with a fabric tape measure to find your measurements.

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

$36

4.8

Rated 4.8 out of 5 stars

262

$36

Not eligible for return or exchange

Size

Hurry! Only 54 left in stock!

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

*Learn how to find your true waist below.

Please find inseam length on specific product detail page.

Select Your Size

How to Measure Yourself

Use the guide below with a fabric tape measure to find your measurements.

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

Materials & Care

Material Description: Ultra-soft, stretch knit
Material Contents: 68% Viscose from Bamboo / 29% Polyester / 3% Spandex
Fabric Weight (GSM): 180

Features

• Lightweight design doesn’t weigh you down
• UPF 50+ offers serious sun protection
• 4-way stretch gives you freedom of movement
• Plush elastic waistband moves with you
• Flat seams won’t dig in
• Articulated front pouch with functional fly

Size & Fit

Elastic waistband
Relaxed fit

Shipping & Returns

• Free standard shipping on all orders $150+
• Easy 30-day returns and free 60-day exchanges on U.S. orders for unwashed, unworn items.
• Final sale styles are not eligible for return or exchange.
• Send gifts wrapped by adding on gift wrap at cart. We also offer free gift messaging.

Bamboo Motion Boxer Brief

4.8

Rated 4.8 out of 5 stars

Based on 262 reviews

Total 5 star reviews: 240 Total 4 star reviews: 12 Total 3 star reviews: 2 Total 2 star reviews: 1 Total 1 star reviews: 7

FitRated 0.1 on a scale of minus 2 to 2

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262 reviews

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Mike W.
Verified Buyer
Rated 5 out of 5 stars
1 hour ago
Reviewing
Men's Bamboo Motion Boxer Brief - Vintage Camo Vintage Camo / L
Boxers
Great fit, comfy, less sweat, great look!!!
Was this helpful?
What is your height? 5'10-6'0
What is your weight? 180-200
What size did you purchase? L
For what activity do you recommend this product? Casual Wear, Running, Fishing, Surfing, Travel
Lawrence O.
Verified Buyer
Rated 5 out of 5 stars
11 hours ago
Reviewing
Men's Bamboo Motion Boxer Brief - Vintage Camo Vintage Camo / L
sporty and comfy
super comfortable boxers
Was this helpful?
What is your height? 5'10-6'0
What is your weight? 180-200
What size did you purchase? L
For what activity do you recommend this product? Casual Wear, Yoga, Fishing, Hiking, Running
kelly c.
Verified Buyer
Rated 4 out of 5 stars
6 days ago
Reviewing
Men's Bamboo Motion Boxer Brief - Black Black / XL
dont even feelm on!
butter
Was this helpful?
What is your height? 6'1-6'3
What is your weight? 180-200
What size did you purchase? XL
For what activity do you recommend this product? Work, Travel, Casual Wear
WK W.
Verified Buyer
Rated 5 out of 5 stars
1 week ago
Reviewing
Men's Bamboo Motion Boxer Brief - Black Black / M
Snuggly
Perfect fit for all the parts!
Was this helpful?
What is your height? 5'10-6'0
What is your weight? 160-180
What size did you purchase? M
For what activity do you recommend this product? Casual Wear
William M.
Verified Buyer
Rated 5 out of 5 stars
1 week ago
Reviewing
Men's Bamboo Motion Boxer Brief - Slate Blue Slate Blue / M
Comfortable
Great fit and soft.
Was this helpful?
What is your height? 5'10-6'0
What is your weight? 140-160
What size did you purchase? M
For what activity do you recommend this product? Casual Wear, Fishing, Hiking, Travel, Work
Angela M.
Verified Buyer
Rated 5 out of 5 stars
2 weeks ago
Reviewing
Men's Bamboo Motion Boxer Brief - Slate Blue Slate Blue / M
Super comfortable
These a so comfortable, I've bought several pair.
Was this helpful?
What is your height? 5'10-6'0
What is your weight? 140-160
What size did you purchase? M
keaton
Verified Buyer
Rated 1 out of 5 stars
3 weeks ago
Reviewing
Men's Bamboo Motion Boxer Brief - Black
Le Wedge
These wedge. They are not comfortable.
Was this helpful?
What is your height? 6'1-6'3
What is your weight? 180-200
What size did you purchase? M
For what activity do you recommend this product? Casual Wear
Noah R.
Rated 5 out of 5 stars
4 weeks ago
Reviewing
Men's Bamboo Motion Boxer Brief - Black
The one and only
I love these. I frantically pick through my underwear drawer in the morning until I find my Free Fly boxers. Not too tight, but not baggy either.
Was this helpful?
What is your height? 5'10-6'0
What is your weight? 160-180
What size did you purchase? S
For what activity do you recommend this product? Casual Wear, Fishing

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

*Learn how to find your true waist below.

Please find inseam length on specific product detail page.

Select Your Size

How to Measure Yourself

Use the guide below with a fabric tape measure to find your measurements.

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.

Alpha Sizes	Numeric Sizes	Bust	Waist	Hip
XS	0–2	32–33	25–26	35–36
S	4–6	34–35	27–28	37–38
M	8–10	36–37	29–30	39–40
L	12–14	38 1/2–40	31 1/2–33	41 1/2–43
XL	16	41 1/2–43	34 1/2–36	44 1/2–46
XXL		44 1/2–46	37 1/2–39	47 1/2–49

US Size	Height (IN)	Weight (LB)
2T	33–37	27–31
4T	38–42	33–37
6T	45–49	44–48

US Size	Height (IN)	Weight (LB)
XS/6–7	45–48	45–50
S/8–9	49–52	51–65
M/10–12	53–57	66–80
L/13–14	68–62	81–95
XL/15–16	63–66	96–110

Alpha Sizes	Numeric Sizes	Bust	Waist	Hip
XS	0–2	32–33	25–26	35–36
S	4–6	34–35	27–28	37–38
M	8–10	36–37	29–30	39–40
L	12–14	38 1/2–40	31 1/2–33	41 1/2–43
XL	16	41 1/2–43	34 1/2–36	44 1/2–46
XXL		44 1/2–46	37 1/2–39	47 1/2–49

US Size	Height (IN)	Weight (LB)
2T	33–37	27–31
4T	38–42	33–37
6T	45–49	44–48

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