• Item Information

    Arc'teryx
    • SKU: #8683340
    • Arc'teryx Bottoms Size Chart
    • Arc'teryx Tops Size Chart
    • The smooth, lightweight performance of the Phase SL Boxer offers moisture-wicking performance for warm-weather and highly aerobic performance.
    • Next To Skin Fit:
      • Snug fit increases the effectivity of performance fabrics.
      • Sized for a baselayer fit.
      • Gusseted inseam panel improves mobility.
    • SL: Super Light uses ultralightweight materials, improving packing and wear while reducing bulk.
    • Phasic™ interval system:
      • Offers varying benefits during the phases of interval training.
      • Stage 1 - Active/Wicking Phase: Hydrophobic Phi yarns wick moisture.
      • Stage 2 - Intense/Dispersion Phase: Phi yarns disperse perspiration across the fabric surface for thermoregulation.
      • Stage 3 - Rest/Drying Phase: High moisture dispersal for quick dry performance.
    • Phasic™ SL:
      • Double-knit fabric features a special blend of yarns for improved performance.
      • Wicking yarns pull perspiration away from the skin.
      • Hydrophobic yarns limit total saturation to improve quick-dry performance.
      • DAO™ Durable Anti Odor silver-nitrate finish prevents bacterial growth.
      • 2.9 oz/yd² / 94 g/m² fabric weight.
    • Flatlock stitching for reduced friction.
    • Flat elastic waist.
    • Short leg.
    • BIRD logo print at the right leg.
    • 100% polyester.
    • Machine wash and tumble dry.
    • Imported.
    • If you're not fully satisfied with your purchase, you are welcome to return any unworn and unwashed items with tags intact and original packaging included.
    View Zappos.com Glossary of Terms
    Find something wrong in this description? Help us fix it! 

    Customer Questions


    Free Shipping and Free Returns

    Zappos shipping boxes

    If, for any reason, you are unsatisfied with your purchase from Zappos Retail, Inc. you may return it in its original condition within 365 days for a refund. We'll even pay for return shipping!

    Learn more about our free shipping and free returns policy

    Zappos Footer

    Make your inbox happy by joining our exclusive newsletter!