Description
Warm feet make better dives
Cold feet can turn an otherwise enjoyable dive into an uncomfortable experience.
The Sharkskin Chillproof Socks are designed to provide additional warmth and comfort for divers and watersports enthusiasts who need dependable thermal protection without unnecessary bulk.
Featuring Sharkskin’s innovative three-layer Chillproof material, these socks combine moisture-wicking insulation, windproof protection, and flexible construction to help keep your feet comfortable during cold-water activities.
Wear them beneath your favorite dive boots, wetsuit boots, or compatible watersports footwear for an additional layer of insulation.
Whether you’re exploring a local quarry, diving a wreck, or preparing for a full day on the water, Chillproof Socks are a practical addition to your exposure protection.
Advanced three-layer Chillproof technology
Sharkskin’s Chillproof material is engineered specifically for aquatic environments.
The three-layer construction combines insulation, wind protection, and a flexible exterior to provide warmth while maintaining comfort and mobility.
Inner layer — Hollow-fiber fleece
A soft fleece lining sits comfortably against the skin, helping retain warmth while wicking moisture away from your feet.
Middle layer — Windproof, breathable membrane
A windproof membrane reduces windchill during surface intervals while allowing the material to breathe.
Outer layer — Durable nylon and spandex
The flexible outer layer provides abrasion resistance, four-way stretch, and a durable water-repellent finish.
Together, these layers deliver effective thermal protection in a lightweight, flexible sock.
Thermal protection without bulky neoprene
Sharkskin describes Chillproof fabric as offering thermal properties comparable to approximately 2.5–3mm neoprene.
Unlike conventional neoprene, Chillproof material is designed to resist compression and provide neutral buoyancy.
This makes the socks useful for divers who want to add thermal protection beneath their boots without introducing the bulk of traditional thick neoprene socks.
Thermal comfort will still depend on water temperature, dive duration, footwear, and individual cold tolerance.
Designed to fit beneath dive boots
The Chillproof Socks are intended to be worn beneath compatible wetsuit boots or watersports footwear.
Their flexible, low-profile construction provides an additional layer of insulation while allowing you to continue using your existing boots.
They are especially convenient for divers who find their feet getting cold before the rest of their body.
For best results, make sure your boots have enough room to accommodate the socks without creating uncomfortable pressure or restricting circulation.
Moisture-wicking comfort
The hollow-fiber fleece interior helps move moisture away from the skin.
This improves comfort during surface intervals and while transitioning between diving and other activities.
The socks are not waterproof, but their technical construction helps manage moisture and provides insulation in wet environments.
Windproof protection between dives
Cold wind can rapidly reduce comfort when you’re standing on a dive boat or getting ready for another dive.
The windproof membrane helps limit windchill while the breathable construction allows excess heat and moisture to escape.
This makes the socks useful both underwater and during time spent on the surface.
Four-way stretch and comfortable fit
Sharkskin’s flexible material moves naturally with your feet.
Four-way stretch provides a close, comfortable fit while making the socks easier to put on and remove.
The fabric is designed to resist chafing, itching, and odors during extended wear.
Durable construction for aquatic environments
Saltwater and frequent exposure to water can be demanding on ordinary clothing.
Sharkskin uses a durable nylon/spandex exterior, water-repellent treatment, and saltwater-resistant seam thread to help the socks withstand regular watersports use.
The material also provides UPF 50+ protection for covered areas.
Versatile watersports protection
Sharkskin Chillproof Socks are suitable for a variety of activities, including:
Scuba diving
Snorkeling
Cold-water diving
Kayaking and paddleboarding
Sailing and boating
Jet skiing
Other watersports requiring additional foot insulation
Whether you’re diving regularly or heading out for an occasional adventure, these socks provide a convenient extra layer of warmth.
Choose your color
Available in six colors:
Black
Blue
Pink
Red
Silver
Gold
Select your preferred color and size before adding the product to your cart.
Key features
Genuine Sharkskin Chillproof thermal fabric
Three-layer composite construction
Thermal properties comparable to approximately 2.5–3mm neoprene, according to Sharkskin
Soft hollow-fiber fleece lining
Moisture-wicking interior
Windproof, breathable membrane
Durable water-repellent exterior
Four-way stretch for comfort and flexibility
Lightweight, low-bulk design
Neutrally buoyant material
Compression-resistant construction
Abrasion-resistant nylon/spandex outer fabric
Designed for use beneath compatible dive boots
Saltwater-resistant seam thread
Anti-chafing, itch-resistant, and odor-resistant properties
UPF 50+ protection
Six available colors
Eight unisex sizes
4. Technical specifications
Specification | Details |
|---|---|
Brand | Sharkskin |
Model | Chillproof Socks |
Product type | Unisex thermal watersports socks |
Material | Sharkskin Chillproof |
Construction | Three-layer composite |
Interior | Hollow-fiber fleece |
Middle layer | Windproof, breathable membrane |
Exterior | Nylon/spandex with water-repellent finish |
Thermal performance | Comparable to 2.5–3mm neoprene, per manufacturer |
Stretch | Four-way |
Buoyancy | Neutrally buoyant material |
Compression | Compression-resistant |
Sun protection | UPF 50+ |
Colors | Black, Blue, Pink, Red, Silver, Gold |
Sizes | XS, S, M, L, XL, XXL, 3XL, 4XL |




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