Big Agnes Sweetwater UL 43L
Big Agnes

Big Agnes Sweetwater UL 43L

$279.95 $207.16 Save $72.79
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Sweetwater UL 43L
Ultralight running vest style overnight backpack
Description

Set the pace on your next adventure with a Sweetwater UL pack. Streamlined design prioritizes a perfect fit, featuring running-vest-style straps that securely hug your chest, back, and shoulders. Smart, effective construction secures your load without unnecessary bulk, using durable, recycled nylon derived from discarded fishing nets. The Sweetwater UL 43L makes fastpacking expeditions a breeze. Whether hitting the trail for a thru-hike or a quick overnight, the propriety frame technology and ultralight durable fabric efficiently support your gear, shifting the weight from your shoulders to your hips. Instead of choosing between ultralight, comfortable, and durable - choose the Sweetwater UL.

Features
Shoulder Straps
Broad, comfortable mesh shoulder straps inspired by trail running vests keep pack snug and disperse load
Load Lifters
Easily adjustable load lifter straps help balance upper pack weight for optimal stability
Torso Adjustment
Key slots in injection-molded framesheet for adjusting shoulder straps to precise torso-length
Compartment
Low-profile main compartment keeps load close to body and stable
Back Panel
Ventilated, anatomically curved back panel featuring body-mapped foam padding provides structure for a stable carry
Fit System
Load Wrangler Plus fit system adjusts to your body's unique shape, featuring load lifters, adjustable shoulder straps, and integrated hip belt to keep your pack comfortable and snug while on trail
Access
Accessible top-loading main compartment with expanding spindrift collar that provides extra room when you need it, and tucks away when you don't
Stash Pockets
Oversized stretch-mesh quick stash pocket on front, side, and on chest straps for easy drop-in storage
Gear Loops
Exterior gear loops as well as hook-and-bungee attachments for quick lashing trekking poles or other items
Sustainability
Three unique, high-performance recycled fabrics demonstrate our commitment to sustainable durability, in addition to incorporating recycled foam, webbing, and other trims where possible
Rain Cover
Included removable rain cover made from ultralight recycled materials provides extra waterproofing, and packs away small
Hydration
Internal water reservoir sleeve fits up to 3L reservoir, for hands-free hydration
Bear Canister
Fits a Bearikade Expedition or similar 9" diameter bear canisters
Materials
Shell
Recycled regen™ Ocean 70D high tenacity robic nylon ripstop made from discarded fishing nets, treated with a water resistant coating without intentionally added PFAS
Strength
High-tenacity robic yarn is ultralight and 25% - 30% stronger than regular yarn in the same denier
Coating
Water resistant UTS coating gives shell fabric a soft feel and enhances tear strength
Abrasion Panels
Recycled, high tenacity 210D robic nylon oxford with UTS coating
Lining
Silicone-treated, recycled ultralight 40D nylon ripstop with waterproof UTS coating
Padding
Shoulder straps, hip belt, and back panel: Recycled EVA foam
Rain Cover
Recycled nylon ripstop with a waterproof, tear-resistant coating
Cleaning
Light Cleaning
For light cleaning, sponge the product with warm water (not hot).
Supplies Needed
Wash basin (or bath tub), Warm water (not hot), Waterproof Gear Cleaner (we recommend products like Nikwax Tech Wash), Sponge
Step 1
Submerge your Pack in warm, clean water. Gently agitate with hands. Empty dirty water. Repeat until most of the excess dirt/grime is removed and water is mostly clear.
Step 2
Apply waterproof gear specific wash and gently work into fabric with sponge.
Step 3
Rinse Pack thoroughly.
Step 4
Hang it up to dry.
Step 5
Triple check that your Pack is completely dry before storage or use.
Important Notes
Warnings
Do not dry clean or machine-wash. Detergents and dry cleaning solvents will damage the fabric and ruin waterproofing. Never use hot water, bleach, liquid detergents, or dishwashing liquids. Allow to dry COMPLETELY before storage or use. Avoid prolonged direct sunlight as UV exposure can compromise waterproofing.
Repairs and Warranty
Coverage
All Big Agnes gear is guaranteed against manufacturing or material defect. We do not warranty products damaged from normal wear and tear, alteration made by owner, misuse, accidents, or damages caused by uses other than intended. Damage due to misuse, normal wear and tear, or improper care may be repaired, at the discretion of Big Agnes, at a reasonable charge. Gear returned for repair must be clean and free of debris.

Shipping Policy

Components:

All component items (wheels, drivetrains, suspension, brakes, etc.) ship within 1–4 business days of purchase.

Bicycles:

Complete bikes typically ship within 2–3 weeks due to build, tuning, and inspection times. You will receive tracking information as soon as your order is ready to ship.

Riding Gear & Apparel:

Riding gear and apparel orders (helmets, jerseys, gloves, etc.) ship within 1–3 business days.

Returns & Exchanges:

If you received the wrong size or wish to exchange an item, it must be returned in original condition—unused, uninstalled, and with all packaging intact.

For full details, please see our Refund Policy before initiating a return.

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Prepared with intention.

Every product is carefully inspected and handled by our team before it ships. From fit and function to final details, we make sure each piece is ready for the outdoors ahead—so you can focus on the experience, not the gear.

Passion drives us

At SpokeX Bike Co., bikes aren't just our business — they’re our way of life. As a rider-owned and operated shop, every decision we make comes from firsthand experience on the trail, at the race, and on the open road. We know what it’s like to chase a new line, push through the pain cave, and celebrate the ride — because we live it every day.

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