Waterproof B1 Boots 6.5mm The Waterproof B1 Boots are a tough and durable 6.5 mm semi-dry scuba boot with an extra long zipper for easy donning and doffing. Waterproof have strengthened the heels and toes and the boot has an angled design for less stress while finning.6.5mm Neoprene keeps you warm in colder water and keeping your feet warm goes a long way to keeping your whole body warm. Glide Skin internal seal sticks to your skin or the Glide Skin from the bottom of your wetsuit for an effective water seal that slows water and keeps you warmer for longer.Angled Footbed naturally reduces stress on the ankle while finning for a more comfortable foot position throughout the dive. The heel has an extra notch to hold your fin strap up and stop it from slipping down during the dive.Comprehensive Grip on the sole is made to hold onto wet surfaces so you can walk around the dive site or boat with ease.Extra Long YKK Zipper makes life easier to put your boots on in a wetsuit and take them off after a dive. Under the zipper is a handy ID strip to personalise your boots so you know that they're yours mixed with others. Waterproof B1 Boots 6.5mm