High-Visibility orange nylone fabric back promotes a flexible range of motion and improves low-light visibility. Comfortable, form-fitting 100% polyester elastic knit wrist at pulse-point helps retain warmth. High-performance signature Heatkeep thermal insulation, laminated with a soft TR2 inner lining, provides superior heta-retention by trapping heat, repelling the cold & wicking away moisture. Available in SM, LG, XLG