What role do the shoulder and elbow patterns of the Alpinum Half Zip Fleece play during activities?
This question is intended to check what practical convenience the raglan sleeves and articulated pattern mentioned in the fleece product description provide during actual outdoor activities.
They widen the upper body's range of motion so that the shoulders are not pinched and the sleeves do not ride up when wearing a backpack or moving your arms broadly.
The places on clothing where friction and pulling occur most frequently are the shoulders and elbows. ostrya's Alpinum Half Zip Fleece eliminates shoulder seams and applies raglan sleeves that connect directly from the neckline to the sleeves, as well as an elbow articulated pattern modeled after the curves of the joints[1].
Without shoulder seam lines, you can avoid having seams pressed into your shoulders when carrying a heavy backpack. The elbow area, pre-curved to the shape of the arm, also prevents the back panel from pulling taut or the sleeves from riding up when bending your joints. Combined with 4-Way stretch functionality that extends in four directions—up, down, left, and right—it follows your body smoothly without catching, even during large movements[2].
hmmm, the clear utility of these sleeve cutlines is revealed in rough mountain climbs, such as gripping rocks or pushing off with hiking poles.

The specific stretch rate used in the sleeve pattern and the detailed fabric composition ratio have not yet been confirmed.
Product measurements
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26FW Alpinum Half Zip Fleece Umber
Other stated figures
| Part | S |
|---|---|
| 길이 ◦ | 66cm |
| 소매길이 | 83cm |
| 가슴너비 | 57cm |
For rows marked with ◦, flat measurement or circumference could not be confirmed in official sources, so hmmm determined them using figures from the same item.