![](https://i0.wp.com/www.australiangeographic.com.au/wp-content/uploads/2023/06/IMG_4693_OPENER.jpg?fit=900%2C548&ssl=1?quality=75)
Australian Geographic Adventure
Icebreaker Women’s Merino 200 Oasis Long Sleeve Crewe: Tested
Icebreaker touts the Oasis Long Sleeve Crewe as “the world’s best base layer”. We put that claim to the test climbing Tassie’s highest peak in late autumn.