Xcel Step-In and John/Jane Combo: Pre-bent articulating knees for preformance SupraTex kneepads Lycra bound edges and wrist seals Elongated diagonal frton zipper in the Step-In for ease of entry and exit 6.5mm Titanium lined body and 5mm panels behind the knees and inside the elbows; 4mm face seal Colors: black, black/royal, black/purple Men's and Women's sizes View the size charts