https://www(dot)patternschool.online/product-page/multi-ease-catsuit-blocks "If you want to make close-fit/tight latex clothing then this is the block/sloper collection you need. strong high-rebound stretch textiles, like heavy weight spandex blends... This block is designed according to my multi-shape concept ... Includes: One piece block One piece sleeve and fitted sleeve blocks Gymnast leggings block Thong back Leg block Centre seam leg block