Sewing your own outdoor gear is one of the most rewarding DIY projects you can take on — but success starts with choosing the right materials. Here's a quick guide to five of the best fabrics for backpacks, bike bags, and more.

1. EPX200

What it is: EPX200 is a rugged, three-layer laminated fabric made by Challenge Sailcloth. It combines a durable 200-denier face fabric, a waterproof film, and a recycled polyester backing.

Why we love it:

• Waterproof and durable

• Eco-friendly (uses recycled materials)

• Great structure for backpacks and bike bags

Best for: Packs, bikepacking bags, everyday backpacks.

2. UltraGrid

What it is: UltraGrid is an ultralight, high-performance fabric woven with recycled nylon and UHMWPE (Ultra-High Molecular Weight Polyethylene) fibers for insane tear strength.

Why we love it:

• Very lightweight but super tough

• Built-in ripstop grid for extra durability

• Eco-conscious production

Best for: Ultralight backpacks, summit packs, side pockets, or anywhere you want strength without the weight.

3. Ultra Stretch

What it is: Ultra Stretch is a 4-way stretch woven fabric reinforced with UHMWPE fibers. It's lightweight, abrasion-resistant, and incredibly strong for its stretchiness.

Why we love it:

• Perfect for tight, form-fitting pockets

• Durable enough for real outdoor use

• Resistant to stretching out over time

Best for: Side pockets, bottle pockets, pack panels that need flexibility.

4. Silnylon

What it is: Silnylon is a lightweight nylon fabric coated with silicone, making it highly waterproof and packable.

Why we love it:

• Extremely lightweight

• Highly waterproof

• Packs down small

Best for: Tarps, tent flies, stuff sacks, ultralight gear projects.

5. Cordura Re/Cor 1200D

What it is: Cordura's Re/Cor collection uses 100% recycled high-tenacity nylon yarns. The 1200D version is extra heavy-duty, designed for maximum abrasion resistance.

Why we love it:

• Bombproof toughness

• Sustainable (100% recycled fibers)

• Good balance of abrasion resistance and workability

Best for: Heavy-duty backpacks, duffel bags, protective covers, high-wear gear parts.

Final Tips

Choosing the right fabric is all about matching your project to the performance you need. Whether you're making an ultralight summit pack or a bombproof bikepacking bag, picking the right material will set you up for success.

Ready to get sewing? Check out our full selection of technical fabrics here!

Written by ReFasten.ca - Your source for DIY outdoor sewing materials and supplies.