Pop & Go Knickers are the only cotton knickers you can change in seconds without having to take off all your clothes! With simple, unobtrusive clasps that don't irritate the skin, a fresh pair of knickers can be refastened from the sides in seconds.(Pop&Go Knickers are not disposable underwear).

Designed for female travellers and outdoor enthusiasts, Pop&Go Knickers are the ultimate underwear solution to feel fresh and comfortable while on the go.

There are three prizes to win. Each prize will include 2 pairs of Pop&Go Bikini Briefs in cotton and a Pop&Go carry pouch so you always keep a fresh pair in your bag. (RRP £17.99)

To win some Pop & Go Knickers answer the question below to the best of your ability. (Hint: check here: Pop & Go Knickers).

THE COMPETITION

- This competition is only open to registered users at UKClimbing.com and UKHillwalking.com.
- Competition closes on 5 November at 09.00 GMT.
- The winners will be notified by email.
- Prizes will only be posted to a UK or Ireland address.
- The winners' names will be announced on UKC/UKH and facebook.com/popandgo.knickers.5.