The Recon is Liquid Force's highest-end, CE certified helmet which features a newly redesigned Pro-Dri lining wrapped in a deluxe Lycra fabric. This liner is the safest and most secure, plus it's extremely comfortable. Adjustable pads make it easy for you to customize your fit. Triple density closed-cell foam does not absorb water and is ultra lightweight. Sizes (head circumference at forehead): S/M(21" - 22), M/L(22" - 23"), L/XL(23" - 24").