Drysacks
Protect your critical gear from torrential rain, river crossings, and ocean spray with our premium collection of waterproof drysacks and dry bags. Featuring leak-proof roll-top closures and fully taped waterproof seams, our range includes ultralight sil-nylon pack liners for hikers as well as heavy-duty PVC dry bags for kayaking, rafting, and boating.
Read Buying Guide: Roll-Top Mechanism, Materials & Sizing Guide ▼
1. How the Roll-Top Closure Works
To achieve a 100% waterproof seal, purge excess air from the bag, fold the stiffened top strip tightly downwards at least 3 to 4 times, and buckle the quick-release clip. This tight seal prevents water ingress even during quick submersion.
2. Material Durability & Use Cases
- Ultralight Sil-Nylon / Cordura (15D – 30D): Semi-translucent, featherlight drysacks designed to organize down sleeping bags and electronics inside your backpack.
- Medium-Duty Nylon (70D): The all-around workhorse for camping, trekking, and wet-weather backpacking.
- Heavy-Duty TPU / Vinyl (500D+): Ultra-rugged, abrasion-resistant dry bags built for paddle sports, kayaking, boat decks, and beach trips.
3. Drysack Sizing Guide
- 1L – 4L: Mobile phones, wallets, passports, headlamps, and basic first-aid kits.
- 8L – 13L: Down jackets, base layers, and compact sleeping bags.
- 20L – 35L+: Full sleeping systems, multi-day clothing sets, or entire backpack liner protection.
4. Standard vs. Compression Drysacks
Compression drysacks feature air-permeable waterproof membranes (like Event or air-purge valves) that let you squeeze air out while keeping water from coming in, shrinking your bulky sleeping bag or clothing down to half its original size.