Panduan/ rekomendasi ukuran fin vs ukuran telapak kaki: - Ukuran 35-36 -- Panjang telapak kaki 23-24cm - Ukuran 37-38 -- Panjang telapak kaki 24-25cm - Ukuran 39-40 -- Panjang telapak kaki 25-26cm - Ukuran 41-42 -- Panjang telapak kaki 26-27cm - Ukuran 43-44 -- Panjang telapak kaki 27-28cm Cressi Pluma Full Foot Fins: Three Material Molding Process Same Materials as Hi-Tec Cressi Fins Blade Material: Light and Reactive Polypropylene Foot Pocket Material: Thermo-Rubber Rib Material: Rubber High Performance, Extreme Lightness, Easy Fining, and Comfort Blade: Very-Energetic with Snappy Rebound Ribs: Progressive and Controlled Bending Powerful, Fluid and Untiring-Kick Computer-Designed Shape Large Non-Slip Inserts: Protect the Foot and for Excellent Transmission of the Leg-Fin Effort Swift and Responsive Kick Fin Ultra-Soft Foot Pocket Material Blade Provides Outstanding Blade to Leg Energy Transfer