IXS FLOW EVO+ ELBOW GUARD - With the Flow Evo+ elbow guard, iXS provides super thin, light and comfortable elbow protectors. Developed with mountain bike legend Hans Rey, pads are super compact to fit any backpack. The integrated XmatterTM padding concept provides high impact absorption and protection. With the Flow Evo+ we introduce product properties like exchangeable padding, structurally improved AeroMeshTM of newest generation offering a higher level of comfort and structural strength. X-MATTER - Flexible Viscoelastic polymer absorbs forces without hindering range of motion. The open cell compound is engineered to withstand multiple impacts in the same region while retaining its shock absorbing properties. AERO MESH - Lightweight and anti-bacterial treated 3D performance mesh, optimized for breathability and moisture wicking. SIZES (Circumference Hand Width Above Elbow â€“ cm): Kids Small â€“ 18-20; Kids Medium â€“ 20-22; Kids Large â€“ 22-24; X-Small â€“ 25-28; Small â€“ 28-30; Medium â€“ 30-32; Large â€“ 32-34; X-Large â€“ 34-36. Care Instructions: Machine wash/Hand wash program 20Â° (celsius); Remove protective pad before washing. Do not tumble dry, clean with chemicals or bleach.