FR Phase 1 Boxer Brief
1F13X - Lightweight Flame-Retardant First - Regular fitting. Designed to fit regularly for comfort and full range of motion. Neither snug nor loose. Allows for unrestricted movement. Ideal for temps between 40° - 100° F.
- Lightweight FR First or Second Layer - Regular Fit
- Weight – 4.8 oz.
- Patented blend of Modacrylic & FR Rayon
- ASTM D6413 Standard
- No Melt/No Drip
- Superior Acclimate® Dry Moisture-Wicking
- Intense Quick Drying
- Ag47® Anti-Microbial Protection
- Clean Seam® Next-To-Skin Comfort
- Durable, Breathable & Won’t Shrink
- 100% USA Made & Berry Compliant!!!