Weighing just 95g and able to pack down to the size of a tennis ball this ultralightweight OMM Halo Smock offers you all the weather protection and breathability to ensure you stay dry and comfortable on your next outdoor adventure Whether you are enjoying a day out running on the trails or getting ready to compete in an ultra this 2 layer static fabric has an impressive 10 000mm hydrostatic head to ensure you stay dry and an excellent vapour transfer rate of 10 000g/m sup2 to make sure you don t get too clammy The peaked hood with elasticated opening has been designed to give you maximum weather protection while maintaining your field of vision while the extended cuffs with thumb slots make sure that this OMM smock stays comfortably in place and offers you maximum weather protection Here at OutdoorGear we were amazed at how lightweight and compact this waterproof running jacket is we believe it to be an excellent choice for keeping dry and protected against any harsh UK mountain weather