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Ultra-Sil Daypack

Name: Ultra-Sil Daypack
Brand: Sea to Summit
Price: 49.95 USD
Availability: InStock
Rating: 4.7 (317 reviews)

4.7 · 317 reviews via Shopify’s catalogSource: Sea to Summit North America · checked Oct 17, 2026

In stock

Our award-winning Ultra-Sil Daypack is a minimalist backpack that has incredible strength-to-weight performance and packs down to the size of a tennis ball. The 30D siliconised CORDURA® fabric and reinforcing bar-tacks at stress points enable it to withstand loads many times its own weight. With a 20L capacity, it's perfect for a summit pack, carrying groceries when on foot or on a bike, or as an extra traveling tote. The tiny packed size also easily fits onto your key ring, in a jacket pocket or a purse. With non-padded shoulder straps, our maximum load limit recommendation for a comfortable carry is 15 lbs / 7 Kg. Features Ultra-Sil 30D siliconized CORDURA® fabric for strength and durability Reinforced shoulder straps for increased carrying comfort Packs into an attached stuff sack that includes a handy carabiner Packs down small so it easily fits in pockets, purses or luggage Perfect as a lightweight backup or travel bag 20L capacity

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$49.95

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The Coreplex take

The Ultra-Sil Daypack is a 20L minimalist backpack featuring 30D siliconized Cordura nylon that packs down to the size of a tennis ball.

20L capacity
2.5 oz weight
Reinforced bar-tacks
Includes carabiner
2 colors

Rating

4.7 ★

From 317 reviews

Best for

summit pack
traveling tote
lightweight backup

Worth knowing

Shoulder straps are non-padded
Recommended maximum load limit is 15 pounds
Only 2 colour choices available

Price & stock: Checked today

The summary is AI-written from the listing and these numbers; confirm details with the seller.

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Details

Key features & specs

Ultra-lightweight 30D siliconized Cordura nylon fabric enables effortless carrying for long distances
Reinforced bar tacks at stress points provide superior durability and load capacity
Packs into an attached stuff sack with carabiner for easy transport in pockets or luggage
Non-padded, ergonomic shoulder straps offer comfortable carrying without bulk
Water-resistant and easy-to-pack design ensures reliable performance in various conditions

Capacity: 20 L
Weight: 72 gAs stated by Sea to Summit North America
Dimensions: 11 inAs stated by Sea to Summit North America
Material: 30D siliconized Cordura nylon
Closure: Zipper
Carry Options: Backpack straps, handle

Summarized from Shopify’s product catalog. Where Sea to Summit North America states a different figure, we show Sea to Summit North America’s.

Specifications

Colour: Blue Atoll

Seller description

Features

Ultra-Sil 30D siliconised high-tenacity CORDURA® Nylon fabric provides an exceptional strength to weight ratio
Reinforced shoulder straps resist bunching and improve comfort under load
Packs into an attached Ultra-Sil stuff sack that includes a handy aluminium carabiner
Perfect as a lightweight backup or travel bag

Product details

Materials

Fabric: 100% Nylon Volume 20 L Weight 2.5 oz | 72 g Dimensions 19 × 8 × 11 in | 48 × 20 × 28 cm

Materials

Fabric: 100% Nylon Ultra-Sil Daypack Weight 72 g 2.5 oz Packed Weight 72 g 2.5 oz Packed Size 5.5 × 10.2 × 18.6 cm 2 × 4 × 7 in Volume 20 L Imperial Metric

Seller policies

Shipping & Returns

Free US Shipping on Orders $50+ Easy 60-Day Returns For more details, please check out our Help Center .

FAQs

Is it durable?

With correct care, this pack can last many seasons. Just limit contact with sharp objects or abrasive surfaces as much as possible, since these can damage the fabric.