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Inov8 Ultrapant Waterproof Trousers (Unisex)

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The updated ULTRAPANT is Inov8's lightest men's and women's waterproof running trouser and has been stripped back even further - now weighing just 86g. Designed for those runners wanting to race as light and fast as possible, this breathable trouser is perfect mandatory race-day kit. Packs away small for easy, lightweight carrying. 2.5 layer waterproof fabric with 10,000 HH and taped seams keeps the runner dry and protected when it rains.

Will pass mandatory gear check for all ultra events where waterproof trousers are required.


  • Waterproof and breathable. Boasts a breathability level of 10,000 B-1 meaning sweat moves through the pant, resulting in temperature regulation and comfort when moving fast. 2.5-layer waterproof fabric with 10,000 HH (hydrostatic head) with taped seams.
  • Run super light and super fast. These trousers weight just 86 grams.
  • Rolls up to a super-small size and is then secured in place using an integrated loop on the waistband.
  • Quick to put on/take off, with stretchable ankle hems that fit over all shoes.


  • Extra Small: 28in. / 71cm
  • Small: 30in. / 76cm
  • Medium: 32in. / 81cm
  • Large: 34in. / 86cm
  • Extra Large: 36in. / 91cm

(Note: Measure wearing the clothes you intend to wear underneath the trouser)