Quick answer

Choose Arctic Blue if you wear sizes S–XL and want a cool-toned bottom that pairs with navy, white, or black tops. Choose Mocha if you need sizes up to 2XL or prefer a warm neutral that works with earth tones and gold accessories.

Same cut, different size ceiling

Both briefs share the same deeper cut, belted front detail, and fully lined construction, so the real decision comes down to colour and size availability. Arctic Blue stops at XL, while Mocha extends to 2XL. If you are between sizes or normally wear XL or above, Mocha is the safer choice without compromising on the belted silhouette.

How each colour changes your styling options

Arctic Blue is a cool, crisp tone that reads sporty and modern. It works well with white, navy, and black bikini tops, and it stands out against sand or pool tiles without feeling loud. Mocha is a warm neutral that blends with tan skin and earth-toned cover-ups; it pairs naturally with gold hardware, wooden accessories, and olive or cream tops. Neither colour is more flattering in general—your existing swimwear and jewellery will point you to the easier match.

The trade-off: size range vs colour choice

The main trade-off is that the wider size range only comes in Mocha. If Arctic Blue is your preferred colour but you need 2XL, this specific brief will not work for you. Conversely, if you wear S–XL and love a warm neutral, Mocha is available in your size. There is no difference in coverage or fabric between the two—both are 81% nylon and 19% elastane and handwash only—so you are not sacrificing fit for colour within your size.

Decision rules for choosing your colour

  • If you need 2XL: Choose Mocha. Arctic Blue is not offered in 2XL, so Mocha is the only option that fits.
  • If you want a cool-toned bottom: Choose Arctic Blue if you wear S–XL and your tops are white, navy, black, or grey.
  • If you prefer a warm neutral: Choose Mocha if you wear S–2XL and your swimwear or accessories lean toward earth tones, gold, or cream.

Product facts

Who each colour suits

Best for

  • Swimmers in sizes S–XL who want a cool blue bottom with a belted detail
  • Anyone building a neutral swim wardrobe around earth tones and gold accessories

Not for

  • Shoppers who need 2XL and prefer blue—choose Mocha instead
  • Anyone looking for a high-waist or tieside brief—this is a deeper cut bikini brief