XS/S = 36/41M/L = 41/44XL/XXL = 44/48 Description: The McDavid Phantom 2 Ankle Brace w/ Stirrup Stays is a lightweight, easy-to-use design that delivers incredible support and stability in a laces-free, low-profile fit. It's for injury prevention and pain relief from moderate ankle instabilities and conditions, and this ankle brace is an ideal replacement for having to tape frequently. Product Details: No bulky and time-consuming laces! 35% Lighter than traditional lace-up & strap braces only (75 gram) Easy step thru rear-entry fit with quick adjustable back closure Thin, low profile fit for today’s tight streamlined shoes Advanced Bio-LogixTM anatomically contoured flex-support stays Rubber-grip-bottom optimizes no-slip grip within shoe Rubber-grip straps optimize no-slip grip with brace & within shoe Helps prevent and recover from common ankle sprains Fits left or right ankle