Sea To Summit Ultra-Sil Dry Sack 35L XXL Custom Contoured to fit internal frame

Contoured to fit internal frame packs

so the base is oval

Cord - Nylon

Titanium alloy bezel for more durable

Sea To Summit Ultra-Sil Dry Sack 35L XXL Custom Contoured to fit internal frameThe new Sea to Summit Ultra Sil' Dry Sacks are more than 50% lighter than the super popular Dry Sacks. Theyre made of Siliconized Cordura, which is one of the lightest and toughest waterproof nylon fabrics available. Now you dont have to choose between keeping your gear dry and keeping it light. Super compact and ultra lightweight Made of Ultra Sil' nylon, a polyurethane coated Siliconized Cordura for ultimate waterproofing and maximum durability