Description Nalgene 48oz Wide Mouth Silo Bottle durable BPA free water bottle with large opening for trekking hiking and camping engineered for high-altitude trekking and multi-day Himalayan backpacking, the Silo model provides 50% more capacity than the standard 32oz bottle without increasing the diameter, fitting most side-pockets. This increased volume is critical for maintaining hydration during strenuous ascents in dry, cold climates where water sources are infrequent. Its rugged construction withstands sub-zero temperatures and the physical rigors of technical climbing, making it the preferred choice for professional guides and alpine athletes. Nepal’s top choice – purchase this item online or from Thamel Bazar for premium specs, best pricing, and dependable merchants. Nalgene 48oz Wide Mouth Silo Water Bottle Features BPA/BPS-Free Tritan: High-performance, impact-resistant copolyester material. 63mm Wide Mouth: Compatible with most backcountry water filtration systems (e.g., Katadyn, MSR). Continuous Straight-Shoulder Semi-Buttress Threads: Ensures a 100% leakproof seal under pressure. Integrated Tether: Keeps the cap securely attached to the bottle during use in high-wind environments. Printed Graduations: Molded-in markings in both milliliters and ounces for precise fluid tracking. Dishwasher Safe: Rated for top-rack cleaning in temperatures up to 100°C. Technical Specifications Capacity: 48 oz (1,419 ml) Weight: 206 g (7.25 oz) Height: 28.5 cm (11.25 in) Diameter: 89 mm (3.5 in) Cap Diameter: 63 mm Material: Tritan™ Copolyester (BPA/BPS-Free) Cap Material: LDPE (Low-Density Polyethylene) Thread Type: 63mm Continuous Thread Impact Resistance: High Temperature Range: $-40^{\circ}\text{C}$ to $100^{\circ}\text{C}$ Country of Origin: USA
