Saddles and Tack > Saddles & Accessories > English Saddles WINTEC FLEXIBLOC Price $37.79 Stock status: Out of Stock Stock status: In Stock Product Code: WB189545 Qty: Description Sizing Information Reviews Moveable Blocks Under The Flaps Which Allow The Rider To Individually Tailor Their Thigh And Knee Support. Available In A Range Of Different Sizes And Shapes.