British summer weather is nothing if not unpredictable, and navigating this particular season requires a very specific wardrobe. Most importantly, a lightweight raincoat capable of handling sudden downpours without the dreaded humidity.

For those in the market for such a thing, we've found a brilliant deal from trusted outdoor brand Regatta that sees one particular waterproof jacket hailed as the 'perfect' solution for unpredictable summer weather slashed by £40.

The Women's Bayletta Waterproof Jacket is available in 16 distinct colourways, ranging from bold red and navy through to leopard print and yellow, catering for all manner of tastes and style preferences. It is currently half price, dropping the cost of its usual £80 price tag.

Better still, Regatta is offering shoppers an extra 15% off by entering the code HOL15 at checkout, reports the Mirror.

Praised by shoppers for being 'stylish' and 'comfortable', the Women's Bayletta Waterproof Jacket has been crafted with travel firmly in mind — meaning it packs away effortlessly and weighs next to nothing, while remaining breathable during those muggy, overcast days.

Constructed from waterproof breathable ISOTEX 15000 62% polyester and 38% recycled polyester fabric (110 gsm), the jacket is described as both windproof and rain-resistant, thanks to its fully taped seams.

Lined with jersey fabric, the jacket is comfortable to wear without multiple layers underneath, while its relatively standard cut ensures it avoids appearing overly bulky or unflattering. Furthermore, drawcords at the waist can be effortlessly tightened for a more figure-hugging silhouette, adding to its overall appeal and elegance.

Featuring a zip fastening at the front and a drawstring hood, it can be tailored to shield against all weather conditions. While it provides generous coverage, falling just below the hips, those seeking something lengthier might prefer the Sweaty Betty Guide Waterproof Parka, which boasts a comparable waist adjustment and funnel neck, currently reduced to £92 from £175.

For shoppers keen on blending fashion with functionality, Damson Madder's Liu Raincoat in Elderberry is a worthy alternative. Featuring a check pattern and oversized design that can be cinched at the waist 'allowing for effortless layering while maintaining its flattering shape', it retails at £135, making it quite the investment, though its 4.8-star rating suggests shoppers consider it 'worth every penny'.

With 50 per cent off and priced at under £50, the Regatta raincoat, however, has proved a firm favourite amongst fashion enthusiasts and dedicated hikers alike, accruing a 4.4-star rating and a host of glowing reviews. One satisfied customer wrote: "Very easy to wear, fits true to size and light to pack. Very pleased with it."

Another remarked: "Perfect lightweight coat. A little long on sleeves but can fold up," while a third agreed: "Lovely everyday jacket, nice to throw on and feel a little bit fancier. Shower proof and keeps the wind off."

The sole drawback one customer mentioned was its sizing. They stated: "The arms were way too long and not wide enough at hips."

That being said, most buyers were delighted with their purchase, particularly with summer upon us, with one shopper observing: "Gorgeous waterproof lightweight jacket. Great for summer showers."