An ultra-packable lightweight & packable jacket that is both waterproof & breathable offering you versatile protection from the elements. The impressive levels of waterproofing are maintained with the use of fully taped seams & a slimline inner storm flap & wrap over zip guard. The relaxed fit is designed to be cycling specific so give you the right range of movement & is finished with elasticated cuffs hem & neck for quick fitting & automatic adjustment. The jacket comes with a small stuff sack to pack the jacket away in when not in use which is small enough to stash away in a rear jersey pocket with ease. Waterproof Rating: 10000mm Breathability: 10000g 100% seam sealed Fabric Tech: Waterproof: Measured in mm of water it can be held by the fabric without leaking. 1000mm is the minimum measurement needed to pass the accepted definition of waterproof. All Endura waterproof garments are 5000mm & above Breathable: Measured in grams of moisture that can pass through a square meter of fabric over 24hr (g/m 2/24hrs) using the B-1 inverted cup method. All Endura waterproof garments are fully breathable Seam sealed: For a garment to be truly waterproof the seams must be sealed (in addition to the fabric itself being waterproof.) All Endura waterproof garments are 100% seam sealed.