The MedSpec CMC Thumb Support - Left is a low-profile thumb brace designed to help support the thumb CMC joint while allowing functional hand use for pinching and grasping tasks. Available from Medibrace with fast, tracked shipping across Canada. Best Used For CMC joint support when a thumb brace has been recommended. Base-of-thumb stabilization during daily activity. Customers who want thumb support without fully immobilizing the hand. Customers who need a left-side CMC thumb support. Key Features Internal padded stay for focused support at the base of the thumb. Outer elastic strap for adjustable compression. Low-profile design intended to preserve useful thumb motion. Side-specific design for left or right hand fit. Find Your Size How to measure: Measure around your wrist at the narrowest point, near the wrist crease. Side: Choose this listing for the left side. Size Measurement X-Small Wrist circumference under 5.5 in Small Wrist circumference 5.5-6.25 in Medium Wrist circumference 6.25-7 in Large Wrist circumference 7-7.75 in X-Large Wrist circumference over 7.75 in Between sizes? Choose the larger size for comfort, or the smaller size for firmer compression. If this is a universal-size brace, use the range below to confirm it fits your wrist. How To Wear And Care Open all closures before placing the brace on your hand and wrist. Seat the thumb or wrist area comfortably before tightening the laces or straps. Tighten gradually until the brace feels secure without numbness, tingling, or pinching. Recheck comfort after a few minutes of wear and adjust as needed. For care, fasten closures before washing. Hand wash with mild detergent and air dry. Do not bleach or machine dry. This product information is educational and does not replace medical advice. For severe pain, numbness, swelling, post-surgical use, or unstable injuries, follow guidance from your clinician. Shipping And Returns ShippingFree shipping on all orders across Canada. Ships within 1 business day via tracked courier. Typical delivery: 1-2 business days. Return PolicyWe stand behind our products and offer a hassle-free return policy, so you can return the product if it does not fit properly or does not meet your expectations. Frequently Asked Questions Which side should I choose? This listing is for the left side. Choose the side that matches the hand or wrist you need to support. How do I choose my size? Use the available size options shown above. Universal listings have one adjustable fit option. Sized listings should be selected based on your measurement and clinician guidance when applicable. Can I wear it during daily activity? Many customers choose this style for daily support. Make sure it feels secure without restricting circulation, and follow your clinician's guidance if you are recovering from an injury. Helpful Links Shop wrist and thumb braces in Canada Browse carpal tunnel wrist brace options Browse thumb and finger splints