Serfas TBM 20 Tailbones Memory Foam Saddle Bike Type_Cruiser FINIS Swimmer's Swim Snorkel is Color:Blue Matte Turquoise Lens FINIS Swimmer's Swim Snorkel is specifically designed to help swimmers concentrate on their head position and body alignment by removing the head movements required for breathing Quick Exit: Re designed leg panels improve the ease of suit removal Serfas Tailbones® saddles supports the sit bones and provides a smooth comfortable ride using Progressive Density Foam while a Deep Groove Design allows maximum blood flow into the neurovascular bundle for drastically reduced numbness and discomfort About Serfas TBM 20 Tailbones® Memory Foam Waterproof SaddleSerfas' latest addition to the Tailbones® family introduces a top layer of Memory Foam for a more personalized feel and added comfort