Laser-cut perforations for advanced ventilation. Zero-cuff arm openings with reinforced mesh gussets provide unrestrictive mobility and a comfortable fit. Mesh ventilation panels dissipate unwanted heat.*Lightweight 4 stretch fabric with minimalist design. Mesh panels on back of knee, hips and lower leg. Low profile stretch leg cuffs with removable elastic band. 4-way stretch panel construction for maximum comfort and movement. Leather heat shield panels with DuPont Kevlar stitching. The Boa System, now moved to the front of the waistline, offers the fastest, most convenient on-the-fly micro waist adjustability. Ergonomically pre-shaped knee accommodates most knee braces and guards. Full-Floating seat surrounded by stretch material moves naturally with your body. Multi-panel construction for maximum performance and comfortable fit. All new low profile streamlined taped collar. Extended tail helps keep jersey tucked in. Athletic fit: fits close to the body with minimal excess.