Icebreaker Size Chart An upgraded version of Icebreaker's reliable go-to baselayer for everyday comfort and active days outside, the 200 Oasis Deluxe Long Sleeve Crewe combines a technically dialed design and flattering slim fit with the benefits of 100% merino wool. It's got an offset shoulder design and flatlock seams that allow for chafe-free movement all day. The underarm gusset details ensure excellent arm mobility, and the drop trail hem provides added coverage. Features: - Offset shoulder seams prevent pack rub - Flatlock seams prevent chafing - Set-in sleeve construction - Underarm gusset for comfort and mobility - Drop tail hem for added coverage - Fit: Slim - Center back length: 69cm/27 1/4", Size M - Icebreaker tonal embroidered logo - Fit: Slim - Fabric: 100% Merino Wool