{"product_id":"os1st-cs6-performance-calf-sleeves","title":"OS1st CS6 Performance Calf Sleeves","description":"\u003cp\u003e\u003cstrong\u003eBuilt for runners, hikers, and anyone whose calves take a beating, the CS6 uses graduated compression to keep the muscle supported through repetitive impact — without the slip, bunching, or bulk you'd get from a heavier sleeve.\u003c\/strong\u003e\u003c\/p\u003e\u003ch3\u003eBest Used For\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRunning, trail running, and interval training\u003c\/li\u003e\n\u003cli\u003eLong shifts on your feet where the calves tend to tighten\u003c\/li\u003e\n\u003cli\u003eTravel days and long-haul flights\u003c\/li\u003e\n\u003cli\u003eWearing post-activity as part of a recovery routine\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eGraduated compression zones engineered for the calf muscle\u003c\/li\u003e\n\u003cli\u003eSecure, stay-put fit that resists slipping mid-run\u003c\/li\u003e\n\u003cli\u003eLightweight, breathable knit built for extended wear\u003c\/li\u003e\n\u003cli\u003eSlim performance profile that pairs cleanly with socks\u003c\/li\u003e\n\u003cli\u003eSeamless construction to limit chafing through dynamic motion\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSize And Fit\u003c\/h3\u003e\u003cp\u003eThe CS6 is sized XS through XL and sold as a pair. Sizing is based on calf circumference — measure at the widest point of the calf and compare against the chart below.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSizes: XS, S, M, L, XL\u003c\/li\u003e\n\u003cli\u003eColours: Black, Blue, Grey, Orange, Pink, Reflector Yellow, White\u003c\/li\u003e\n\u003cli\u003eTwo sleeves per package\u003c\/li\u003e\n\u003cli\u003e76% Micro-Nylon, 24% LYCRA Spandex\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/9725\/6660\/files\/CS6-Size-Chart.webp?v=1778782961\u0026amp;width=900\" alt=\"OS1st CS6 Performance Calf Sleeves Size Chart\" loading=\"lazy\" width=\"900\" style=\"max-width: 100%; height: auto;\"\u003e\u003c\/p\u003e\u003ch3\u003eCare Instructions\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHand wash with mild soap\u003c\/li\u003e\n\u003cli\u003eAir-dry flat\u003c\/li\u003e\n\u003cli\u003eNo bleach\u003c\/li\u003e\n\u003cli\u003eNo fabric softener\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eShipping And Returns\u003c\/h3\u003e\u003cp\u003eShipped from Medibrace Canada with Canadian checkout and customer support. Calf compression is fit-sensitive, so use the size chart and measure before ordering rather than picking by shoe or shirt size.\u003c\/p\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eCan I run a marathon in these?\u003c\/strong\u003e Yes — the CS6 is built for sustained activity. Many runners use it for long runs and races, but always test on a few training runs first to confirm fit.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDo they come as a pair?\u003c\/strong\u003e Yes, two sleeves per package.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow tight should the compression feel?\u003c\/strong\u003e Snug and supportive, not pinching. If the top band leaves a sharp imprint or the sleeve slides down, size up.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill they bunch behind the knee?\u003c\/strong\u003e The slim performance profile is shaped to sit just below the knee. If you have a longer calf, choose based on the circumference measurement, not your height.\u003c\/p\u003e","brand":"OS1st","offers":[{"title":"L \/ Yellow","offer_id":47940122345684,"sku":"CS6-L-YELLOW","price":53.99,"currency_code":"CAD","in_stock":false},{"title":"L \/ Beige","offer_id":47940122378452,"sku":"CS6-L-BEIGE","price":53.99,"currency_code":"CAD","in_stock":false},{"title":"L \/ Black","offer_id":47940122411220,"sku":"CS6-L-BLACK","price":53.99,"currency_code":"CAD","in_stock":false},{"title":"L \/ Blue","offer_id":47940122443988,"sku":"CS6-L-BLUE","price":53.99,"currency_code":"CAD","in_stock":false},{"title":"L \/ Grey","offer_id":47940122476756,"sku":"CS6-L-GREY","price":53.99,"currency_code":"CAD","in_stock":false},{"title":"L \/ Orange","offer_id":47940122509524,"sku":"CS6-L-ORANGE","price":53.99,"currency_code":"CAD","in_stock":false},{"title":"L \/ Pink Fusion","offer_id":47940122542292,"sku":"CS6-L-PINKFUSION","price":53.99,"currency_code":"CAD","in_stock":false},{"title":"L \/ White","offer_id":47940122575060,"sku":"CS6-L-WHITE","price":53.99,"currency_code":"CAD","in_stock":false},{"title":"M \/ Yellow","offer_id":47940122607828,"sku":"CS6-M-YELLOW","price":53.99,"currency_code":"CAD","in_stock":false},{"title":"M \/ Beige","offer_id":47940122640596,"sku":"CS6-M-BEIGE","price":53.99,"currency_code":"CAD","in_stock":false},{"title":"M \/ Black","offer_id":47940122673364,"sku":"CS6-M-BLACK","price":53.99,"currency_code":"CAD","in_stock":false},{"title":"M \/ Blue","offer_id":47940122706132,"sku":"CS6-M-BLUE","price":53.99,"currency_code":"CAD","in_stock":false},{"title":"M \/ Grey","offer_id":47940122738900,"sku":"CS6-M-GREY","price":53.99,"currency_code":"CAD","in_stock":false},{"title":"M \/ Orange","offer_id":47940122771668,"sku":"CS6-M-ORANGE","price":53.99,"currency_code":"CAD","in_stock":false},{"title":"M \/ Pink Fusion","offer_id":47940122804436,"sku":"CS6-M-PINKFUSION","price":53.99,"currency_code":"CAD","in_stock":false},{"title":"M \/ White","offer_id":47940122837204,"sku":"CS6-M-WHITE","price":53.99,"currency_code":"CAD","in_stock":false},{"title":"S \/ Yellow","offer_id":47940122869972,"sku":"CS6-S-YELLOW","price":53.99,"currency_code":"CAD","in_stock":false},{"title":"S \/ Beige","offer_id":47940122902740,"sku":"CS6-S-BEIGE","price":53.99,"currency_code":"CAD","in_stock":false},{"title":"S \/ Black","offer_id":47940122935508,"sku":"CS6-S-BLACK","price":53.99,"currency_code":"CAD","in_stock":false},{"title":"S \/ Blue","offer_id":47940122968276,"sku":"CS6-S-BLUE","price":53.99,"currency_code":"CAD","in_stock":false},{"title":"S \/ Grey","offer_id":47940123001044,"sku":"CS6-S-GREY","price":53.99,"currency_code":"CAD","in_stock":false},{"title":"S \/ Orange","offer_id":47940123033812,"sku":"CS6-S-ORANGE","price":53.99,"currency_code":"CAD","in_stock":false},{"title":"S \/ Pink Fusion","offer_id":47940123066580,"sku":"CS6-S-PINKFUSION","price":53.99,"currency_code":"CAD","in_stock":false},{"title":"S \/ White","offer_id":47940123099348,"sku":"CS6-S-WHITE","price":53.99,"currency_code":"CAD","in_stock":false},{"title":"XL \/ Yellow","offer_id":47940123132116,"sku":"CS6-XL-YELLOW","price":53.99,"currency_code":"CAD","in_stock":false},{"title":"XL \/ Beige","offer_id":47940123164884,"sku":"CS6-XL-BEIGE","price":53.99,"currency_code":"CAD","in_stock":false},{"title":"XL \/ Black","offer_id":47940123197652,"sku":"CS6-XL-BLACK","price":53.99,"currency_code":"CAD","in_stock":false},{"title":"XL \/ Blue","offer_id":47940123230420,"sku":"CS6-XL-BLUE","price":53.99,"currency_code":"CAD","in_stock":false},{"title":"XL \/ Grey","offer_id":47940123263188,"sku":"CS6-XL-GREY","price":53.99,"currency_code":"CAD","in_stock":false},{"title":"XL \/ Orange","offer_id":47940123295956,"sku":"CS6-XL-ORANGE","price":53.99,"currency_code":"CAD","in_stock":false},{"title":"XL \/ Pink Fusion","offer_id":47940123328724,"sku":"CS6-XL-PINKFUSION","price":53.99,"currency_code":"CAD","in_stock":false},{"title":"XL \/ White","offer_id":47940123361492,"sku":"CS6-XL-WHITE","price":53.99,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0636\/9725\/6660\/files\/OS1st_CS6-Performance-Calf-Sleeves_blue_1.webp?v=1778776850","url":"https:\/\/medibrace.ca\/products\/os1st-cs6-performance-calf-sleeves","provider":"Medibrace Canada","version":"1.0","type":"link"}