Description . Fully featured Isotex 15,000 performance shell in 100% polyester stretch fabric. The toughest trails and ascents are all in a day\'s work for this versatile workhorse. .. ..The Oklahoma makes full use of our highly waterproof/breathable Isotex 15,000 stretch ripstop fabric and storm construction techniques to provide a balance of all-weather protection and mobility. Water-repellent zip fastenings to the centre, two-way pit zip and a fully adjustable mountain hood deliver comfort in changeable conditions. Strategically placed reflective print stretch panels maximise visibility on those early starts and late climbs down. Articulated sleeves allow full reach and movement. With the Regatta Outdoors badge on the sleeve. . . . Specification Waterproof and breathable Isotex: 15000 100% polyester stretch fabric Breathability rating: 10,000g/m2/24hrs Highly reflective printed stretch panels in strategic zones for enhanced visibility. Durable water repellent finish: Yes Taped seams: Yes Detachable technical wired peaked hood with concealed adjusters. Hi tech water repellent centre front zip with inner storm flap and chin guard 2-way underarm ventilation zippers  Lower pockets with hi-tech water repellent zips: 2 Articulated sleeves: Yes Inner zipped security pocket: Yes Adjustable cuffs: Yes Adjustable shock cord hem: Yes Material: 100% Polyester .