These ultra-light, 4-way stretch pants deliver superb mobility, a seamless ergonomic fit and incredible ventilation. HeatGrip aramid-backed inner knee panels give easier maintenance, superior grip and durability compared to leather, while the multilayered I.K.S. panels keep brace wear low. The Twisted Yarn Micro Mesh shell and 250 laser-cut perforations provide optimal airflow when the heat is on. Form-fitting, 3D anatomically cut race pants DWR C0 80/20 water resistant treatment HeatGrip knee panels - superior to leather Lightweight fabric construction Laser cut ventilation perforations Aerodynamic build, ergonomic fit with a seamless seat and shaped crotch Twisted Yarn Micro Mesh 100% 4-way stretch Multi-layered I.K.S. inner panels 3D anatomically cut from 5 panels with 3D ergonomic pre-curvature, for optimal riding fit Twisted Yarn Micro Mesh main shell and 250 precision laser cut ventilation perforations Minimal, taped seams for durability New lighter I.K.S. system BluesignA(R) APPROVED fabric OekoTex Reach Tested PFAS(PFC)-free Plastic-free packaging 360Adeg Hypalon Waistlock system Improved machine-washing durability Weight: 660g (size large) Sizes: XS-3XL (28-44")