Palmar wrist splint & fully immobilized thumb splint in one. FEATURES & BENEFITS: For MP (metacarpophalangeal) & CMC (carpometacarpal) joints. Indicated for Rheumatoid Arthritis & deQuervain’s Syndrome. Maximum contouring at the palmar crease. Full finger function. Additional contouring at the fifth MP joint. Allows for palmar spread. Fully adjustable fit. Removable rigid thumb stay (Thumb Spica) Adjustable for a custom fit. Unique durable, breathable, padded fabric. Maximum wear & comfort. Latex Free.