Product image 1, can be opened in a modal.
SPY C10FPK390      ENDURA 4 LIGHTWGHT K390

SPY C10FPK390 ENDURA 4 LIGHTWGHT K390

Regular price $160.50 USD
Regular price $160.50 USD Sale price $160.50 USD
Shipping calculated at checkout.
  • Out of stock
  • Inventory on the way

Spyderco C10FPK390 Endura 4 Lightweight 3.80" Folding Plain Stonewashed K390 Steel Blade Includes Pocket Clip
The Endura 4 Lightweight with a blade crafted from K390, K390 MICROCLEAN is a state-of-the-art cold work tool steel produced by the particle metallurgy process. Its advanced alloy mix was specifically developed to provide the extreme wear resistance and high compressive strength needed in industrial cutting, blanking and punching operations. Despite its toughness, its exceptionally fine, homogeneous microstructure also makes it readily machinable and easy to heat treat.




Closed Length: 4.98"
Blade Length: 3.80"
Oal: 8.78"
Blade Material: K390 Steel
Weight: 3.30 oz
Edge Type: Plain
Open Type: Thumb Hole
Type: Knives
Shipping & Returns
  • Shipping methods and estimated delivery dates
  • Shipping cost or free shipping info
  • Return policy summary
  • Country-specific shipping details
SPY C10FPK390      ENDURA 4 LIGHTWGHT K390

SPY C10FPK390 ENDURA 4 LIGHTWGHT K390

Regular price $160.50 USD
Regular price $160.50 USD Sale price $160.50 USD

Perfect daypack for everyday carry

I’ve been using this backpack as my daily carry bag, and it’s absolutely brilliant. Compact, tough, and surprisingly spacious for its size. It fits my water bottle, lunch, tools, and even a small tablet with no problem. The MOLLE webbing makes it super customizable. Can’t recommend it enough for urban or light outdoor use!

— Marko Mäkinen

Ideal for short hikes and versatile use

This backpack its the sweet spot between size and functionality. I’ve taken it on weekend hikes and as a travel companion—it performs flawlessly. It’s built like a tank, comfortable to wear for long stretches, and the internal frame adds excellent support. Definitely worth every penny!

— Just Me

Serious gear for serious adventures

I’ve used this backpack on multi-day treks and it’s a beast. The build quality is outstanding—everything from the zippers to the straps feels durable and reliable. The side pouch system and internal organization make packing efficient. It’s the best large pack I’ve ever owned for backcountry trips.

— Mike Hiker

The ultimate load hauler

If you need a pack that can handle serious gear and harsh conditions, this is it. I use it for hunting and winter expeditions—it swallows everything I throw at it and distributes weight beautifully. The modular design lets me adapt it to any mission. Truly a professional-grade backpack.

— Author's name