ONE Essentials

Essential Mens Boxer Brief



The ONE Essentials classic fit stretch organic cotton boxer brief, offers all-day comfort.

The super soft blend of recycled, organic cotton and biodegradable elastane is of the most premium quality, designed to worn all day everyday.

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Additional Information

Care & Composition


– 45% RCOT™ Primo Recycled Cotton / 45% Organic Cotton / 10% Roica v550 biodegradable elastane

– Made in Portugal


Care Instructions.

Wash with similar colours maximum wash at 40 degrees
Do not tumble dry
Cool iron on reverse
Do not rub isolated stains
For dark colours avoid contact with light colours when damp

We’ve created our fabric to have the lowest environmental impact. To help maintain that in the whole product lifecycle, we recommend to wash at 30 degrees on an eco wash setting to reduce the environmental impact on every cycle.

Size Guide

We’ve created the size charts below to help you easily see the right size for you.

If in doubt or between sizes we recommend to size down in our underwear, our fabrics are stretchy! But, if anything’s not quite right our first fit promise means you can return for a full refund or exchange on your first pair, so you can find the fit and style that’s best for you.

Womens Sizing

UK Size | Dress Size | Bust (cm) | Waist (cm) | Hips(cm)

XS | 4-6 | 78-80.5 | 60-61 | 85-88

S | 8-10 | 83-88 | 65-70 | 91-95

M | 12-14 | 93-98 | 75-80 | 100-106

L | 16-18 | 103-108 | 85-90 | 111-116

XL | 20-22 | 116-122 | 98-104 | 123-127


Mens Sizing

Size | Chest (cm) | Waist (inches) | Waist (cm)

XS | 86-91 | 28 | 72

S | 92-96 | 30-32 | 76-81

M | 97-101 | 34-36 | 86-91

L | 102-106 | 38-40 | 96-101

XL | 107-111 | 42-44 | 106-112

Our sweats and t’s have a unisex fit so we’ve created this handy chart below to see where you are.

Hopefully our images give you an idea for size and fit on body shape, but if you’re not sure we’d recommend you size up for a looser fit or down for a slimmer shape.


Unisex Sizing

Size | Dress Size | Womens Bust (cm) | Mens Chest (cm) | Mens Chest (inches)

XS | 6 | 80.5 | 81 | 32

S | 8-10 | 83-88 | 86-91 | 34-36

M | 12-14 | 93-98 | 96-101 | 38-40

L | 16-18 | 104-110 | 106-111 | 42-44

XL | 20-22 | 116-122 | 116-121| 46-48

Seller Information

Brand:ONE Essentials

"I dream that we can restore balance in the world and make the ONE circular model an industry standard. I want ONE Essentials to continually be at the forefront of innovation and driving radical change." Carrie FOUNDER
Delivery & Returns

If for any reason you’re unhappy with your order and would like to return it, we can offer a full refund, exchange or credit note the same value as our order within 14 days.

To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging.

If you have any questions or wish to start a return, drop us a note via eTHikel ‘Contact Us

Damages and issues
If your order is damaged on arrival, please ‘Contact Us’ us straight away with a picture and your order number. Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right.

Exceptions / non-returnable items
Certain types of items cannot be returned, our underwear due to the nature of an intimate item, is non-refundable for health and safety reasons.

Unfortunately, we cannot accept returns on sale items


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