Introducing the new TIDELINE Youth!

Based on our hugely popular Women's TIDELINE, our youth range is slimmer fitting around the calf and features a lower boot shaft. Perfect for children, teenagers, and ladies with narrow calves.

TIDELINE 4.0™ is warm and waterproof, with excellent grip, made for all-day comfort. The calf-height boot is ideal for those who don't enjoy full-length wellingtons but still want premium quality.

Key Features

• 4MM INSU-FOAM ULTRA™ – Provides full-foot comfort and insulation.
• 5mm POLYOU™ footbed – Soft cushioning for an athletic feel. Nitrogen bubbles insulate from cold surfaces.
• UNDERFOOT CHASSIS™ – Ensures a stable and secure base.
• SUPERLITE® Technology – 30% lighter than standard rubber boots. Lightweight, buoyant, and highly comfortable.
• SUPERDRI™ Lining – Moisture-wicking, rot-proof lining that prevents sweaty feet and odours.
• TRAIL-GRIP™ Outsole – Excellent traction designed to move with your foot.
• Comfort Rating – From -20°C to +20°C.

About SUPERLITE® Technology

Our testers covered over 14,000 miles with the new TIDELINE™ featuring SUPERLITE® technology. Designed to reduce weight, these are the lightest GRUBS® boots at just 1kg per pair. They mold to your foot and offer all-day comfort in any weather.

Advanced Design Features

• DPA™ – Distal Phalange Accommodation (big toe room) for improved balance and propulsion.
• FOOTFORM™ – Arch-contoured and shaped to support the foot’s natural structure.
• BIOFIT™ – Instep pad designed to reduce lateral torsion and relieve pressure.
• DMA™ – Differential Malleolar Accommodation. Anatomical ankle support for a snug, stable fit.

Care Instructions

ReviveX® Rubber Boot Saver helps maintain the ‘like new’ appearance, flexibility, and color. It also protects from UV damage and is ideal for vinyl, Hypalon, latex, plastics, and nylon. Available at grubswarehouse.com.

Sizing: Boot Height & 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