Product Line: Injinji
Product Name: Injinji - Outdoor Series Quarter Blue
Item Number: INJ-OSQ-009

As your feet face the elements, the Outdoor Series tetratsok is an interface system specifically designed to perform and adapt to any type of terrain. Engineered with AIS:technology and constructed with Injinji's exclusive natural wicking Nüwool™, the tetratsok provides exceptional comfort and performance unlike any other athletic wool sock.

NuWool Technology
Injinji integrates Merino Wool's natural high performance composite with the best modern man–made fiber technology. The result is an ultra fine, transeasonal yarn that keeps your skin temperature refreshingly cool in the summer and warm in the winter.

Size Chart

Anatomical Interface System (AIS)
is engineered to separate your toes with a thin, anti–friction membrane that is both lightweight and breathable. Seamless in construction, the tetratsok forms to every contour of your foot. This allows for true restriction free movement from your heel to five toes, encourages healthy circulation, and eliminates skin on skin contact between your toes to prevent blisters from developing.

Fabric Content
70% – NuWool
25% – Nylon
5% – Lycra

Injinjisocks provide ultimate comfort and protection. Here are some reasons we use it:

• Five-toe design help prevent blisters
• High-tech material reduces moisture
• Variety of styles and colors to look good on the trail