Two (2) nylon, button snap closure keepers.  

Purpose BuiltWear it for your warm-up or just to warm up, the 5.11 RECON™ Half-Zip provides superior warmth and comfort in a sturdy, lightweight package. Crafted from 6.3-oz. 94% polyester / 6% span

Purpose BuiltA warm and flexible foundation for the new 5.11® layering system, the Sub-Z Crew is crafted from a high performance blend of 90% polyester and 10% spandex for a compressed fit that elimi

Purpose BuiltA warm and flexible base or mid layer, the Sub-Z Quarter-Zip is crafted from a high performance blend of 90% polyester and 10% spandex for a compressed fit that eliminates bunching and ro