来请教一个抓绒用料的问题，希望各位不吝赐教
TechnostretchPanel
Technostretch fabric has four-way stretch and a bi-component construction. The inside is brushed to draw moisture away from the skin, while the smooth, flat-knit outer surface is durable and slides easily under an outer layer. It's reversible: wear it smooth side out for maximum warmth and wicking capability; wear it smooth side in as an outer layer. 6.3 oz/yd2
Polartec Power Stretch
Panel
Power Stretch fabric has four-way stretch and a bi-component construction. The inside is brushed to draw moisture away from the skin, while the smooth, flat-knit outer surface is durable and slides easily under an outer layer. It's reversible: wear it smooth side out for maximum warmth and wicking capability; wear it smooth side in as an outer layer. Use Power Stretch Fleece beneath heavier insulation and/or a shell for mountaineering, skiing, and cold weather backcountry travel. Or use it as a light, comfortable outer layer for climbing, mountain biking, and backpacking in less extreme conditions. 86% Polyester, 14% Lycra. 6.8 oz/yd2
Technostretch 和PolartecPower Stretch 的区别在那里？各有那些好处？
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