The Transition Knee Pads from 7iDP are super lightweight, while still keeping you protected and comfortable. These pads mould to your knee s and legs for maximum comfort and they have a breathable mesh backing that wicks away moisture.SUPER LIGHT - Without compromising on safety and surpassing the relevant CE test, the Transition pads offer comfortable protection in a super-light package. At 262g per side (Medium) they are a true 'fit and forget' piece of kit.COMPRESSION FIT - Designed to keep weight down the compression fit, slip-on design fits higher on the thigh than most pads. An internal silicone strip keeps the pads from slipping down.BREATHABLE SOCK - Running the length of the pad in the rear and extending across the lower front a breathable 4-way stretch mesh maintains airflow for all-day comfort.Size Guide (Thigh): Measure circumference of the thigh, 6" (15.25cm) above the kneecap.Small: 38-43cmMedium: 43-48cmLarge:  48-53cmX-Large: 53-58cm