ETC Cord Apparel & Accessories True Seamless construction provides a

True Seamless construction provides a smooth performance fit and assures there's no slipping

Oso fleece collar lining for comfort

so don't let the simplicity fool you

adjust your temple tips and nose piece

The R1™ operates with 40W of power (50W max power)

ETC Cord Apparel & Accessories True Seamless construction provides aHow to Execute an Extended Column Test: While the compression test looks at fracture initiation (is it going to crack?) the extended column test looks propagation propensity (is the fracture going to propagate across the slope). Like the compression test, this test is valid for four finger or harder (so 4F, 1F, P, K, I) snow up to 100 cm deep. If there is a layer in question that is 100 cm deep, you can isolate the column up to 120 cm in order to test