If you are looking for a medium weight waterproof and breathable blanket for your horse, the TuffRider Comfy-Fit 1200D turnout blanket should be your choice. New blanket featuring the Comfy-Fit Adjustment.. This waterproof and highly breathable turnout blanket features strong 1200D polyester fabric a side gusset, twin low cross surcingles and adjustable leg straps for ease of movement and double front closures.