The quality seems stable and long-lasting.
REI MTS Mens Black Base Layer Thermal Bottoms Pants UPF 50+ Medium 23M729-1
Product Details
REI MTS base layer bottoms offer lightweight warmth and moisture-wicking performance for outdoor activities. Crafted from breathable black polyester mesh, these thermal leggings feature a comfortable elastic waistband with MTS branding and ribbed ankle cuffs to help seal in heat. Designed with UPF 50+ sun protection, they are ideal for hiking, skiing, or layering during cold-weather excursions. The functional fly and flat-seam construction ensure a smooth, chafe-free fit throughout the day. Size Medium Approximate Measurements: β’ Waist: 26 (13 flat, not stretched) β’ Inseam: 28 (not stretched) Excellent condition with no flaws to note.
Daily Cleaning: Use a soft brush or damp cloth to gently wipe away dirt. Avoid harsh chemicals. For mesh areas, use diluted mild detergent and a soft brush.
Drying: Air dry in a cool, shaded place after cleaning. Avoid direct sunlight or high heat, which can cause fading and glue deterioration.
Storage: Stuff with paper to maintain shape when not in use. Store in a dry, ventilated area to prevent mold. Rotate between multiple pairs to extend lifespan.
Usage Notes: Designed for basketball. Not recommended for hiking, long-distance running, or other specialized sports where different performance features are required.









