The 1.0 is a full length tight all providing suitable coverage but letting your ankles and calves breathe and stay cool when you building up heat. Flat lock seams reduce any friction or irritation so you have as comfortable a run as possible. Mesh panels behind the knees provide great ventilation to keep your legs cool and dry when working up a sweat. 4-way stretch material provides brilliant durability and flexibility that lets your body move without restriction. Stretch Polyamide (18% Lycra) yarn fabric is high-wicking though not cool-to-feel, which can be a discomfort with some close fitting leggings. Grip strips prevent the legs riding up when moving so you’re comfortable throughout your activity. A great extra layer of protection for running and cycling Fabric Stretch Polyamide Weight 185g Flat Lock seams Mesh panels for breathability 4 way stretch Key pocket Anti-ride grip strips Elasticated drawcord waist Reflective safety flashes Compression panels Sizes Small and Medium - new version with stretch thigh pockets Sizes Large and XL - no thigh pockets