TIDELINE 4.0™
TIDELINE 4.0™ is insulated and waterproof, with excellent grip, made for all-day comfort. The calf-height boot is perfect for those who do not enjoy wearing a full-length wellington but do not want to compromise on quality.
Key Features
- 4MM INSU-FOAM ULTRA™ – Provides all-round foot comfort and insulation.
- 5mm POLYOU™ Footbed – Offers soft cushioning for an athletic feel. Contains millions of microscopic nitrogen bubbles for insulation.
- UNDERFOOT CHASSIS™ – Ensures a sure-footed platform.
- SUPERLITE® Technology – 30% lighter than standard rubber boots, buoyant, and moulded for comfort.
- SUPERDRI™ Lining – Moisture-wicking, rot- and fungus-proof for dry comfort without odor.
- TRAIL-GRIP™ Outsole – Superior grip, designed to work naturally with the foot’s motion.
- Comfort Rating – Suitable from -20°C to +20°C.
About SUPERLITE® Technology
Our testers have clocked over 14,000 miles testing the TIDELINE™ with SUPERLITE® technology. Engineered to minimize weight, these are the lightest GRUBS® boots at just 1kg per pair. Moulded to your foot, they deliver lasting support and comfort in all weather conditions.
Advanced Design Features
- DPA™ (Distal Phalange Accommodation) – Extra room for the big toe improves propulsion and stability.
- FOOTFORM™ – Contours under the arches and sole for optimal support.
- BIOFIT™ – Reduces torsion with a contoured instep pad built into the shell.
- DMA™ (Differential Malleolar Accommodation) – Anatomically supports complex ankle bone structures with a snug fit.
Care Instructions
ReviveX® Rubber Boot Saver maintains flexibility and color, keeping your boots looking new. Protects against sun damage and is suitable for vinyl, Hypalon, latex, plastics, and nylon.
Sizing: Boot Height and Calf Width
| UK Size | Boot Height (mm) | Calf Width (mm) |
|---|---|---|
| UK 4 | 310mm | 360mm |
| UK 5 | 310mm | 370mm |
| UK 6 | 320mm | 380mm |
| UK 7 | 320mm | 390mm |
| UK 8 | 320mm | 400mm |