Injinji Performance Trainer Arm It has been scientifically formulated

It has been scientifically formulated to rehydrate and replenish your body while exercising for extended periods of 2 hours and over

mountaineering and climbing

Protect medical supplies

The top slider allows the bladder to filled easier and hold more water

As a mountain lover

Injinji Performance Trainer Arm It has been scientifically formulatedOriginal weight, thin cushion. mini crew. Unisex fit. Designed for runners cross training, strength, circuit, and HIIT workouts, our new Trainer Mini Crew will help you meet (or exceed) all of your performance goals. Made with our Original Weight thin cushioning, the seamless five toe sleeve design eliminates blister causing friction and promotes natural, restriction free movement. A breathable mesh top keeps you cool and dry, and a precise fit hugs