Men's Seamless Long-Leg Boxer Briefs

Q: How do I choose the right size?

Each product page includes a detailed size guide to help you find the best fit. You can click "Size Guide" near the size selector to view measurements, fit information, and model references. For selected products, we also offer "What's My Size?" , a tool that suggests a recommended size based on your height, weight, and age.

Q: Is the waistband elastic?

Many of our pants feature an elastic waistband for a more flexible and comfortable fit. This makes them easy to wear while providing extra room for movement. For specific details, please check the product description and images , or contact our support team if you need assistance.

Men's Seamless Long-Leg Boxer Briefs Eleven Oasis

New

Size Recommendation

INCH / LB CM / KG

SIZE	WAIST RANGE	WEIGHT RANGE
S	33.5-35.4	110-132 lb
M	35.4-37.4	132-154 lb
L	37.4-39.4	154-176 lb
XL	39.4-41.3	176-198 lb
2XL	41.3-43.3	198-220 lb
3XL	43.3-45.3	220-243 lb
4XL	45.3-47.2	243-265 lb
5XL	47.2-49.2	265-287 lb
6XL	49.2-51.2	287-309 lb
7XL	51.2-53.1	309-331 lb
8XL	53.1-55.1	331-353 lb

Measurements are shown in inches and pounds by default. Choose your size based on your waist measurement. This chart is for reference only.

Size Conversions

Use the below conversion chart to find your size.

SIZE	S	M	L	XL	2XL	3XL	4XL	5XL	6XL
US	38	40	42	46	48	50	52	54	56
EU	50	52	54	58	60	62	64	66	68
UK	38	40	42	46	48	50	52	54	56

Measuring Tips

Men's Seamless Long-Leg Boxer Briefs

Mint Green / S – Change

COMPLETE THE LOOK

View all

Blue

Men's FlexComfort? Classic Short Sleeve Shirt ElevenOasis

Navy

Black

Green

Gray

2-Pack (Blue/Black)

3-Pack (Navy/Blue/Black)

3-Pack (Blue/Black/Gray)

Yellow

Purple

Mint Green

White

Pink

Sand Colour

+ 11 more

From £28.58 £36.31

Men's FlexComfort™ Classic Short Sleeve Shirt

Khaki

Tall Men's Relaxed FlexComfort? Straight Leg Pants ElevenOasis

Navy

Men's Relaxed FlexComfort? Straight Leg Pants ElevenOasis

White

2-Pack (Khaki/White)

3-Pack (Khaki/White/Navy)

+ 2 more

From £33.22

Men's Relaxed FlexComfort™ Straight Leg Pants

Blue

Men's Patriotic Hawaiian Floral Short Sleeve Shirt Eleven Oasis

Red

From £27.03

Men's Patriotic Hawaiian Floral Short Sleeve Shirt

Beige

Casual Art Collection Geometric Stripes Color Block Bowling Shirt ElevenOasis

Green

Blue

From £27.03

Men's Mid-Century Modern Atomic Bowling Short Sleeve Shirt

Blue

Men's Linen Cotton Blend Short Sleeve Shirt

Black

Men's Linen Cotton Blend Short Sleeve Shirt ElevenOasis

Green

Navy

White

Gray

Dark Gray

Pink

Light Green

Yellow-Green

Yellow

Brown

Army Green

Denim Blue

Sand Colour

Purple

+ 13 more

From £25.49

Men's Linen Cotton Blend Short Sleeve Shirt

Beige

From £27.03

Men's Retro Resort Stripe Short Sleeve Shirt

White

Men's Solid Color Slim Fit Tank Top ElevenOasis

3-Pack

4-Pack

5-Pack

Black

Blue

Gray

Green

Navy

Red

+ 7 more

From £15.45

Men's Solid Color Slim Fit Tank Top

Orange

From £27.03

Men's Vintage Panel Camp Collar Short Sleeve Shirt

Yellow

Men's Charlie Brown Zigzag Short Sleeve Shirt Eleven Oasis

Green

Men's Vintage Cartoon Zigzag Short Sleeve Shirt ElevenOasis

White

Red

+ 1 more

From £27.03

Men's Vintage Cartoon Zigzag Short Sleeve Shirt

Blue

Men's Open Knit Resort Short Sleeve Shirt Eleven Oasis

Green

Gray Green

£40.94

Men's Open Knit Resort Short Sleeve Shirt

Green

Men's Striped Everyday with Toucan in a Cocktail Glass Short Sleeve Casual Shirt ElevenOasis

Blue

Red

Gray

+ 1 more

From £27.03

Men's Striped Everyday with Toucan in a Cocktail Glass Short Sleeve Casual Shirt

White

From £27.03

Men's Framed Panel Contrast Collar Short Sleeve Shirt

Blue

From £27.03

Men's Palm Springs Diamond Short Sleeve Shirt

Colorful

From £27.03

Men's Mid-Century Geometric Short Sleeve Shirt

Beige

From £27.03

Men's Mid-Century Mosaic Short Sleeve Shirt

Blue

Casual Art Collection Geometric Stripes Color Block Bowling Pattern Lapel Short Sleeve Shirt Print Top ElevenOasis

Black

Green

Casual Art Collection Geometric Stripes Color Block Pattern Lapel Short Sleeve Shirt Print TopMens short sleeve shirts Big and tall Mens shirts Short sleeve shirts for men Mens 4xl shirts Casual short sleeve shirts

Orange

Men's Mid-Century Geometric Short Sleeve Shirt

+ 1 more

From £27.03

Men's Mid-Century Geometric Short Sleeve Shirt

Navy

Men's Casual Linen-Feel Loose Printed Solid Color Button Short Sleeve Shirt ElevenOasis

White

Blue

Light Brown

Brown

Men's Casual Linen-Feel Printed Solid Color Button Short Sleeve Shirt ElevenOasis

Light Blue

Beige

Orange

Purple

Khaki

Claret

+ 8 more

£27.03

Men's Casual Linen-Feel Printed Solid Color Button Short Sleeve Shirt

Red

From £27.03

Men's 1776 We The People Vintage Flag Short Sleeve Shirt

Black

Men's Basic 50s Style Camp Collar Bowling Short Sleeve Shirt ElevenOasis

Red

Gold

Blue

Brown

Green

+ 3 more

From £27.03

Men's Basic 50s Style Camp Collar Bowling Short Sleeve Shirt

Orange

From £27.03

Men's Atomic Beacon Short Sleeve Shirt

REVIEWS FROM HAPPY CUSTOMERS

FAQs

How do I choose the right size?

Each product page includes a detailed size guide to help you find the best fit. You can click "Size Guide" near the size selector to view measurements, fit information, and model references.

For selected products, we also offer "What's My Size?", a tool that suggests a recommended size based on your height, weight, and age.

Is the waistband elastic?

Many of our pants feature an elastic waistband for a more flexible and comfortable fit. This makes them easy to wear while providing extra room for movement.

For specific details, please check the product description and images, or contact our support team if you need assistance.

How long will my order take to arrive?

Order processing takes 5-7 business days. This is the time needed to prepare your order before shipping. Shipping times then vary by region:

Standard Shipping:

United States: 6-15 business days
Canada: 8-15 business days
Norway & Greece: 8-10 business days
Rest of world: 6-15 business days

Express Shipping:

Canada: 4-8 business days
Rest of world: 4-8 business days

Total Delivery Time = Processing Time (5-7 business days) + Shipping Time (varies by region)

For example, if you're based in the USA with standard shipping:

Processing time: up to 7 business days
Standard shipping time: up to 15 business days
Maximum total wait time: 22 business days

Please note that peak seasons and sales events may also affect processing times.

For complete details, see our Shipping Policy and Return Policy .

How do I track my order?

Please visit our Track My Order page, or contact our customer service team at support@elevenoasis.com. We aim to respond within 48 business hours but are usually much faster. Please check your spam/junk folders for our replies.

Couldn't find the answer you are looking for? Click here.

Click here to access all our Frequently Asked Questions.