An exceptionally breathable waterproof shell that provides serious protection for any fast moving mountain activity. Our best-selling Firefox now uses a tougher 30D fabric across the shoulders and arms to make this the ideal jacket for those moving quickly through the mountains. GORE-TEX® Active fabric combined with our Men's Alpine fit make this a remarkable lightweight performer. * GORE-TEX® Active 20D fabric * GORE-TEX® Active 30D fabric reinforcements * Mountain Hood is fully adjustable * Men’s Alpine fit with articulated and pre-shaped sleeves * YKK® WR centre front zip * 2 ventilated pockets with bonded mesh pocket bags * YKK® underarm WR pit zips with laminated and bonded entry * Adjustable cuffs and dual tether hem drawcords Weight: 365 g / 12.9 oz GORE-TEX® Active Highly breathable waterproof fabrics with an advanced lightweight microporous membrane.