Overview The BARE 7mm Ultrawarmth Dive Boots are designed to provide substantial thermal protection, foot protection, and support for cold-water scuba diving. Built from 7mm neoprene, these boots combine a durable heavy-duty sole with an easy-entry zippered design for boat diving, shore diving, and use with compatible open heel fins. Inside, BARE's low-loft Ultrawarmth Omnired fabric incorporates 13 thermo-reactive minerals designed to convert body heat into infrared energy and reflect it back toward the body. BARE states that Omnired Infrared Technology is scientifically proven and FDA-determined to conserve body heat and accelerate thermal recovery. Elastek full-stretch neoprene around the ankles and calves provides flexibility while helping accommodate a variety of lower-leg shapes and sizes. Best For Cold-water scuba diving Shore diving and rocky entries Boat diving and walking on wet decks Divers who want substantial 7mm foot protection Use with compatible open heel scuba fins Not Ideal For Warm-water diving where 7mm thermal protection may be excessive Full foot fins designed for barefoot use Key Features 7mm Neoprene Construction: Provides substantial thermal coverage for colder-water diving environments. Omnired Infrared Inner Fabric: Low-loft lining incorporates 13 thermo-reactive minerals designed to reflect infrared energy back toward the body. Elastek Stretch Neoprene: Full-stretch neoprene around the ankles and calves improves flexibility and helps accommodate different lower-leg shapes. Fused-Cut Edges: Designed to maintain unrestricted stretch and provide a comfortable fit around the upper calf. Heavy-Duty Sole: Provides added durability, support, and stability while walking on wet boat decks, shore entries, and around dive sites. Heavy-Duty Zipper: Rugged zipper and wide gusset make the boots easier to put on and remove. Durable Toe & Heel Caps: Reinforced high-wear areas provide additional protection during repeated dive use. Fin Strap Tab: Helps reduce unwanted fin-strap movement while diving. Double-Glued & Blindstitched: Seam construction is designed to minimize water movement through the boot. Reusable Mesh Bag: Boots are packaged in a reusable mesh bag for convenient storage and transport. Specifications Brand: BARE Model: Ultrawarmth Boot Product Type: Cold-Water Dive Boots Thickness: 7mm Primary Material: Neoprene Inner Fabric: Low-Loft Omnired Infrared Fabric Upper Calf Material: Elastek Stretch Neoprene Seam Construction: Double-Glued & Blindstitched Closure: Heavy-Duty Zipper with Wide Gusset Sole: Heavy-Duty Fit: Unisex Available BARE Sizes: 04-13 Omnired Thermal Technology BARE's Ultrawarmth Omnired technology uses 13 thermo-reactive minerals embedded within the inner fabric. According to BARE, these minerals convert body heat into infrared energy and reflect it back toward the body to help conserve warmth and support thermal recovery during cold-water activities. Fit & Sizing BARE uses a unisex sizing system for its dive footwear. Measure your foot length and compare it with the chart below. The equivalent U.S. men's, U.S. women's, UK, and European shoe sizes are provided as additional references. BARE Size Foot Length US Men's US Women's UK Men's UK Women's Euro 04 8 2/3 in 4 5.5 3 2.5 34-35 05 9 in 5 6.5 4 3.5 36 06 9 1/2 in 6 7.5 5 4.5 37-38 07 9 7/8 in 7 8.5 6 5.5 39 08 10 1/4 in 8 9.5 7 6.5 40-41 09 10 2/3 in 9 10.5 8 7.5 42 10 11 in 10 11.5 9 8.5 43-44 11 11 1/2 in 11 12.5 10 9.5 45-46 12 11 7/8 in 12 13.5 11 10.5 47-48 13 12 1/4 in 13 14.5 12 11.5 49-50 For proper performance, the boot should fit securely without uncomfortable bunching or excessive compression. Because these are 7mm dive boots, also confirm that your open heel fins have enough foot-pocket room to accommodate the selected boot size. What's Included One pair of BARE 7mm Ultrawarmth Dive Boots in the selected size Reusable mesh storage bag Not Included Scuba fins Wetsuit Gloves or hood Other exposure-protection equipment FAQs How thick are the BARE Ultrawarmth Boots? This version is constructed from 7mm neoprene for substantial cold-water thermal protection. What is Omnired technology? Omnired is BARE's infrared thermal technology incorporating 13 thermo-reactive minerals within the inner fabric. BARE states that the technology is designed to reflect infrared energy back toward the body to help conserve warmth. Are these boots designed for open heel fins? Yes. These are dive boots intended for use with compatible open heel fins. An integrated fin tab also helps reduce unwanted heel-strap movement. How do I determine my size? Measure your foot length and compare it with BARE's unisex footwear chart. The chart also provides corresponding U.S. men's, U.S. women's, UK, and European shoe sizes. Are the boots easy to put on? The heavy-duty zipper, wide gusset, and stretch neoprene around the ankle and calf are designed to make entry and removal easier. Do they include a storage bag? Yes. The boots are packaged in a reusable mesh bag. Care & Maintenance Rinse the boots thoroughly with fresh water after every dive, especially after saltwater or chlorinated-water use. Allow them to dry completely before storage, preferably away from direct sunlight and excessive heat. Keep the zipper free of sand and debris, and periodically inspect the seams, sole, toe and heel caps, and fin-strap tab for wear or damage. Expert Insight The BARE 7mm Ultrawarmth Boot combines substantial cold-water protection with practical features for real-world diving. The stretch upper and wide zippered gusset make a thick 7mm boot easier to get on and off, while the reinforced sole, toe and heel protection, and fin-strap tab make it particularly well suited for shore entries, wet boat decks, and extended cold-water dive days.