Sea to Summit Ultra-Sil Pack Cover - Lime Green

Sea to Summit Ultra-Sil Pack Cover – Ultralight Waterproof Protection for Your Pack

Keep your gear dry when the weather turns with the Sea to Summit Ultra-Sil Pack Cover- a compact, high-performance solution designed for ultralight backpackers and travellers. Whether you're trekking through rain-soaked trails or navigating unpredictable conditions, this pack cover delivers reliable waterproof protection without adding bulk.

Constructed from premium 30D Ultra-Sil fabric made with CORDURA® yarns, it offers exceptional durability while remaining incredibly lightweight. Fully waterproof (with no stitched seams), it creates a dependable barrier against rain, while packing down into its own attached stuff sack for easy storage.

Why You’ll Love It

Ultralight & Packable – Weighs under 4 oz (medium) and compresses into a tiny attached stuff sack
Fully Waterproof Design – Seam-free construction prevents water penetration in heavy rain
Durable Performance Fabric – 30D Ultra-Sil™ nylon with CORDURA® yarns for long-lasting use
Attached Storage Sack – Integrated mini stuff sack won’t get lost
Secure Fit System – Keeper strap (S–L sizes) holds cover firmly over your pack
Multiple Sizes Available – Designed to fit everything from daypacks to expedition packs

Built for Wet Conditions

Unlike standard backpacks that allow water in through seams and zippers, this pack cover acts as your first line of defence against rain. Its fully waterproof construction ensures your gear stays protected in most conditions - making it an essential addition for hiking in wet climates.

While no cover can guarantee absolute waterproofing in extreme wind-driven rain, the Ultra-Sil Pack Cover offers dependable, real-world protection where it matters most.

Product Specs

Sizes Available:

• X-Small: Fits 15–30L packs

• Small: Fits 30–50L packs

• Medium: Fits 50–70L packs

• Large: Fits 70–95L packs

Weight: Under 4 oz (Medium)
Material: 30D Ultra-Sil™ nylon (CORDURA® yarns)
Waterproof: Yes (seam-free construction)
Storage: Attached siliconized nylon stuff sack

Pro Tip: If you carry gear on the outside of your pack, size up for better coverage.

Perfect For:

Ultralight Backpacking • Thru-Hiking • Rainy Treks • Travel • Outdoor Adventures • Wet Weather Protection

Pack Light. Stay Dry. Go Further.

Don’t let the forecast dictate your adventure. With the Sea to Summit Ultra-Sil Pack Cover, you get ultralight, packable waterproof protection that’s always ready when you need it.