Kids' Speedo® monster claw flippers Item E1790 Size: Size Charts Quantity: 1 2 3 4 5 6 7 8 9 Add to Bag Wishlist share: size & fit S/M fits K11-K13; L/XL fits K1-K3. Product Details Forget Loch Ness, now every body of water can be ruled by a monster thanks to these foam monster claw flippers from Speedo. EVA foam. Import. Adjustable strap. Item E1790.