SoftGel Splints 1/16" thick gel insert cushions and protects injuries and encourages healing. Place the gel insert, backed with hook and loop fastener, anywhere in the splint interior. AliPlast shell can be heat-molded (preferably with a heat gun) for custom fit. Ventilated for extra comfort. Shell and pad are washable. Unique cutout dart allows forearm width adjustment. For a shorter Wrist Support, a stitch line between the two wrist straps allows you to cut the proximal end and still have a finished edge. Sizing: Small up to 5-3/4", Medium 5-3/4" to 6-3/4", Large 6-3/4" to 7-1/4". When in doubt, choose larger size. Specify size and Left or Right when ordering.