The RonHill Trail Tempest Running Jacket is an incredibly lightweight design that keeps you protected from the elements. Made of an Aqualite fabric, the jacket features a 2.5 layer hydrophilic coating and a YKK Aquaguard front zip and is fully waterproof with taped seams. The mountain spec hood features toggles to adjust the fit and a lock down zip with chin guard. Finished with a back vent for ventilation and reflective graphics for visibility in dark conditions. - A.D. Market leading super-lightweight waterproof running jacket Aqualite fabric Mountain marathon event regulation spec Weighs just 250 grams 2.5 layer hydrophilic coating Waterproof to a minimum 10,000mm hydrostatic head Breathable: minimum 15,000 g/m2/24hours (mVtr) Fully waterproof with taped seams Adjustable integrated mountain spec hood 2 chest pockets – 1 for map and keys, 1 for ‘Pack-itâ system Adjustable cuffs and he YKK Aquaguard multi-colour vizlon water resistant front zip Back vent for increased air flow Reflective graphics Lock down zip and chin guard