
Hydrapak Wooly 21oz Insulated Bottle
Whether cresting a windy ridge or navigating sun-baked canyons, the Hydrapak Wooly 21oz Insulated Bottle ensures your vital liquid stays precisely as you prefer it. Its meticulously engineered double-wall foam insulation defies external conditions, maintaining fluid temperatures for extended periods, from icy pre-dawn starts to sweltering midday efforts. Crafted from a soft-touch polyproylene, the bottle offers a supremely comfortable and secure grip, shedding pack weight without compromising durability. This pliable yet robust design allows for effortless, high-flow sips with a simple squeeze, while remaining stable on any flat surface. A smart Mammoth valve keeps debris out and ensures a clean drinking experience every time you reach for it. More than just a trail companion, this BPA and phthalate-free bottle seamlessly transitions from a demanding backcountry excursion to a focused day at the office, simplifying your hydration needs with intuitive design and unwavering performance.Ā
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PRODUCT CONDITION
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This UnNew HydraPak Wooly 21oz Insulated Bottle is in Excellent condition.Ā
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Products in Excellent condition have seen minimal use and wear. Any imperfections are purely cosmetic and do not affect the intended performance of the product.Ā Ā
TECH SPECS
- Double-walled constuction layered with PRIMOLOFT insulation.
- High-flow Mammoth Valve constructed from soft Thermoplastic Elastomer (TPE)
- Gripper cap with tall sides for easy opening/closing
- Resilium Polypropylene technology for durability, flexibility, and light weight.
Original: $5.35
-65%$5.35
$1.87More Images

Hydrapak Wooly 21oz Insulated Bottle
Whether cresting a windy ridge or navigating sun-baked canyons, the Hydrapak Wooly 21oz Insulated Bottle ensures your vital liquid stays precisely as you prefer it. Its meticulously engineered double-wall foam insulation defies external conditions, maintaining fluid temperatures for extended periods, from icy pre-dawn starts to sweltering midday efforts. Crafted from a soft-touch polyproylene, the bottle offers a supremely comfortable and secure grip, shedding pack weight without compromising durability. This pliable yet robust design allows for effortless, high-flow sips with a simple squeeze, while remaining stable on any flat surface. A smart Mammoth valve keeps debris out and ensures a clean drinking experience every time you reach for it. More than just a trail companion, this BPA and phthalate-free bottle seamlessly transitions from a demanding backcountry excursion to a focused day at the office, simplifying your hydration needs with intuitive design and unwavering performance.Ā
Ā
PRODUCT CONDITION
Ā
This UnNew HydraPak Wooly 21oz Insulated Bottle is in Excellent condition.Ā
Ā
Products in Excellent condition have seen minimal use and wear. Any imperfections are purely cosmetic and do not affect the intended performance of the product.Ā Ā
TECH SPECS
- Double-walled constuction layered with PRIMOLOFT insulation.
- High-flow Mammoth Valve constructed from soft Thermoplastic Elastomer (TPE)
- Gripper cap with tall sides for easy opening/closing
- Resilium Polypropylene technology for durability, flexibility, and light weight.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Whether cresting a windy ridge or navigating sun-baked canyons, the Hydrapak Wooly 21oz Insulated Bottle ensures your vital liquid stays precisely as you prefer it. Its meticulously engineered double-wall foam insulation defies external conditions, maintaining fluid temperatures for extended periods, from icy pre-dawn starts to sweltering midday efforts. Crafted from a soft-touch polyproylene, the bottle offers a supremely comfortable and secure grip, shedding pack weight without compromising durability. This pliable yet robust design allows for effortless, high-flow sips with a simple squeeze, while remaining stable on any flat surface. A smart Mammoth valve keeps debris out and ensures a clean drinking experience every time you reach for it. More than just a trail companion, this BPA and phthalate-free bottle seamlessly transitions from a demanding backcountry excursion to a focused day at the office, simplifying your hydration needs with intuitive design and unwavering performance.Ā
Ā
PRODUCT CONDITION
Ā
This UnNew HydraPak Wooly 21oz Insulated Bottle is in Excellent condition.Ā
Ā
Products in Excellent condition have seen minimal use and wear. Any imperfections are purely cosmetic and do not affect the intended performance of the product.Ā Ā
TECH SPECS
- Double-walled constuction layered with PRIMOLOFT insulation.
- High-flow Mammoth Valve constructed from soft Thermoplastic Elastomer (TPE)
- Gripper cap with tall sides for easy opening/closing
- Resilium Polypropylene technology for durability, flexibility, and light weight.






















