When a waterproof pack cover is this light (4 ounces), bringing it along is no hassle at all. It even comes with its own stuff sack. Made of 30D Diamond Ripstop Sil Cordura silicone-impregnated, waterproof finish can't peel or wear off over time. "No-seam" construction provides complete waterproofness. Keeper strap helps secure it to the pack and prevents the sides from catching wind as you hike. Mini-siliconized nylon stuff sack remains attached to the cover so it won't get lost. Fits packs 3,000-4,300 cu. in. (50-70 liters).
When a waterproof pack cover is this light (4 ounces), bringing it along is no hassle at all. It even comes with its own stuff sack. Made of 30D Diamond Ripstop Sil Cordura silicone-impregnated, waterproof finish can't peel or wear off over time. "No-seam" construction provides complete waterproofness. Keeper strap helps secure it to the pack and prevents the sides from catching wind as you hike. Mini-siliconized nylon stuff sack remains attached to the cover so it won't get lost. Fits packs 3,000-4,300 cu. in. (50-70 liters).
in 3 offers
The lowest price for Sea to Summit Ultra-Sil Pack Cover - Medium (Yellow) right now is $58.95 at Frontier - Adventure At Its Core, compared across 2 retailers.
The all-time low was $50.11 on 30 Nov 2025 — today's price is 18% above the lowest ever. That's a little above the best price we've seen.
Prices last updated 14 May 2026.
Sea to Summit Ultra-Sil Pack Cover - Medium (Yellow)
When a waterproof pack cover is this light (4 ounces), bringing it along is no hassle at all. It even comes with its own stuff sack. Made of 30D Diamond Ripstop Sil Cordura silicone-impregnated, waterproof finish can't peel or wear off over time. "No-seam" construction provides complete waterproofness. Keeper strap helps secure it to the pack and prevents the sides from catching wind as you hike. Mini-siliconized nylon stuff sack remains attached to the cover so it won't get lost. Fits packs 3,000-4,300 cu. in. (50-70 liters).
When a waterproof pack cover is this light (4 ounces), bringing it along is no hassle at all. It even comes with its own stuff sack. Made of 30D Diamond Ripstop Sil Cordura silicone-impregnated, waterproof finish can't peel or wear off over time. "No-seam" construction provides complete waterproofness. Keeper strap helps secure it to the pack and prevents the sides from catching wind as you hike. Mini-siliconized nylon stuff sack remains attached to the cover so it won't get lost. Fits packs 3,000-4,300 cu. in. (50-70 liters).
Last updated at 14/05/2026 14:12:13
Ultra-Sil Pack Cover, M / Yellow
Delivery $8.95
Ultra-Sil Pack Cover M / Yellow
Delivery $8.95
Ultra-Sil Pack Cover - Sea to Summit MED / Yellow
Delivery $20
| Is Discontinued By Manufacturer | No |
| Hand Orientation | Left/Right |
| Sport | Camping & Hiking |
Ultra-Sil Pack Cover, M / Yellow
Delivery $8.95
Ultra-Sil Pack Cover M / Yellow
Delivery $8.95
Ultra-Sil Pack Cover - Sea to Summit MED / Yellow
Delivery $20
| Is Discontinued By Manufacturer | No |
| Hand Orientation | Left/Right |
| Sport | Camping & Hiking |
