Adafruit ADA-2886 Header Kit for Feather - 12-pin and 16-pin Female Header Set

[ Adafruit ] Stacking Headers for Feather - 12-pin and 16-pin female headers

[ Adafruit ADA-4079 ] 2x20 Socket Riser Header for Raspberry Pi HATs and Bonnets

[ Adafruit ADA-2822 ] Break-away 0.1" 2x20-pin Strip Dual Male Header

[ Adafruit ADA-2167 ] IR Break Beam Sensors with Wire Header Ends - 3mm LEDs

Adafruit Feather HUZZAH with ESP8266 With Headers

[ SparkFun PRT-15187 ] Feather Stackable Header Kit

[ Adafruit ADA-4855 ] GPIO Female Socket Riser Header - 2x2 4-pin