GRUBS SPEYLINE 4.0™ Thermal Rated Insulated Green Mahogany Wellington Work Boots -VIBRAM SOLE PPE Workwear
GRUBS SPEYLINE 4.0™ Thermal Rated Insulated Wellington Work Boots – Green/Mahogany
Premium Waterproof Footwear | VIBRAM® Sole Technology | PPE Workwear
Available at Trade In Timber Extra — Your Online Workwear & Tooling Store
Fast Nationwide Delivery
The Grubs SPEYLINE 4.0™ Wellington Work Boots are engineered for professionals who demand exceptional warmth, comfort and traction in all conditions. Built for agriculture, outdoor work, construction, forestry and general industry, these insulated wellingtons provide reliable performance from -20°C to +20°C, keeping your feet protected all year round.
Featuring an advanced VIBRAM® BRISTOL™ outsole, a 6mm NITROCELL™ cushioned footbed, and the comfort-enhancing INSUFOAM-ULTRA™ neoprene lining, these boots deliver a premium combination of shock absorption, warmth, stability and long-lasting durability.
⭐ Key Features
✔ Thermal Comfort Rating: -20°C to +20°C — all-season insulated protection
✔ VIBRAM® BRISTOL™ Sole — superior grip with ENCAPSULATED FOAM™ heel shock absorption
✔ 3mm INSUFOAM-ULTRA™ Neoprene Lining — exceptional warmth & comfort
✔ 6mm NITROCELL™ Footbed — athletic-grade cushioning with nitrogen-bubble insulation
✔ SUPERDRI™ Moisture-Wicking Lining — prevents sweat, rot and odour
✔ Classic Bellows Design — improved calf fit and flexibility
✔ Durable, waterproof construction for farming, work sites & outdoor activity
✔ Trusted GRUBS® quality — innovators in high-performance waterproof boots
🔧 Ideal For
• Agricultural & farm work
• Construction, groundwork & landscaping
• Forestry, country sports & rural environments
• Stable, yard & equestrian use
• Outdoor professionals needing all-weather protection
These boots offer outstanding warmth, cushioning and anti-slip performance — making them a top choice for anyone working long hours on rough or cold terrain.
📏 Specification Table
| Feature | Details |
|---|---|
| Brand | GRUBS® Footwear |
| Model | SPEYLINE 4.0™ |
| Material | INSUFOAM-ULTRA™ Neoprene + Rubber |
| Sole | VIBRAM® BRISTOL™ with ENCAPSULATED FOAM™ |
| Footbed | 6mm NITROCELL™ nitrogen-bubble cushioned footbed |
| Lining | SUPERDRI™ moisture-wicking, rot-proof |
| Comfort Rating | -20°C to +20°C |
| Colour | Green / Mahogany |
| Function | Thermal insulation, shock absorption & high-grip stability |
🛠 Why Choose GRUBS SPEYLINE 4.0™?
✔ Designed for demanding outdoor and industrial environments
✔ VIBRAM® sole delivers exceptional traction in mud, wet ground & uneven surfaces
✔ Neoprene lining offers warmth without bulk
✔ SUPERDRI™ lining keeps feet dry and odour-free
✔ Premium cushioning reduces fatigue during long work days
✔ GRUBS® was the first to integrate VIBRAM® soles into rubber boots — proven innovation
A high-performance, all-weather boot built to keep professionals comfortable, warm and stable in any environment.
🚚 Order Now at Trade In Timber Extra
✓ Genuine GRUBS® Footwear
✓ Fast UK Nationwide Delivery
✓ Your Online Workwear, Boot & PPE Specialists
Trade In Timber EXTRA-
(online purchase-nationwide delivery)
Lead time of 2-4 working days, but some items or addresses may take 7-10 working days.
Your delivery charge will be displayed in the trolley page at checkout prior to purchase.
Once the order has been purchased a member of our team will be in contact to discuss delivery.
The products ordered are for kerbside delivery only which means our drivers will unload goods at the nearest access point on the kerb outside of your property.
You can also collect timber from our Timber Yard. Our address is Power Station Rd, Minster on Sea, Sheerness, Kent ME12 3AD
We are open:
Monday - Friday 9am - 3pm
Saturday 9am - 1pm
Sunday closed
Huge savings can be made buying some of our products in bulk. Take a look at our bulk offers to see how much you can save.