UC604 - Classic Full Zip Micro Fleece Jacket (300 GSM) - Black - Xtra Small

Product Information

Similar to Patagonia’s R1 TechFace above, it features a hard-backed fleece on the outside, and a soft grid-fleece pattern underneath, boosting durability while prioritizing breathability on high-output activities.

UN019 300gsm Full Zip Fleece - Direct Boot

While it’s not known for its breathability, we found ourselves pulling hard on climbing projects this winter in the Synchilla, and will regularly hike around with it in mild temps. They allow for the greatest flexibility when doing physical exercise, as the build isn’t too thick to restrict movement. The waist isn’t adjustable in size, a downside that’s tempered by the inherent pliability of the fabric.

GSM in fabric stands for grams per square meter and means the weight of one square meter of material.

SNW40 Non Woven 300gsm Protection fleece - BP Plastics UK SNW40 Non Woven 300gsm Protection fleece - BP Plastics UK

Made with an innovative roofing membrane, private homeowners and trade roofers can benefit from using these premium quality fleece backed EPDM rolls, which provide all the durability needed to create a solid EPDM rubber roof with a life expectancy of over 50 years. For a quick overview of the average GSM for many popular types of fabric, check out this fabric GSM chart! Drawing from his childhood in Africa, experience as a rock climbing and backpacking guide, ultra-marathon running, and years of extensive thru-hiking, he’s passionate about journalism that gets people into the wild. Any GSM over 100 will give you durable microfiber sheets that should last a long time, but sheets with a 90 GSM or lower get flimsier and do not have such good quality.We experienced similar warmth and breathability as we do with our R1 TechFace, but the Polartec Power Grid tips the scales at a couple of ounces more. More broadly, she’s an adventure journalist specializing in outdoor industry news and adventure travel stories, which she’s produced for more than a decade and more than 80 publications to date.