diff --git a/README.md b/README.md
index ff92b65..a61106d 100644
--- a/README.md
+++ b/README.md
@@ -68,11 +68,12 @@ Example
 ```swift
 // opts can be omitted, will use default values
 let socket = SocketIOClient(socketURL: "https://localhost:8080", opts: [
-    "reconnects": true, // default true
-    "reconnectAttempts": 5, // default -1 (infinite tries)
-    "reconnectWait": 5, // default 10
+    "reconnects": true, // Default is true
+    "reconnectAttempts": 5, // Default is -1 (infinite tries)
+    "reconnectWait": 5, // Default is 10
     "nsp": "swift", // connects to the specified namespace. Default is /
-    "forcePolling": true // if true, the socket will only use XHR polling, default is false (polling/WebSockets)
+    "forcePolling": true, // if true, the socket will only use XHR polling, Default is false (polling/WebSockets)
+    "cookies": nil // An array of NSHTTPCookies. Passed during handshake. Default is nil
 ])
 
 // Called on every event
diff --git a/SwiftIO/SocketEngine.swift b/SwiftIO/SocketEngine.swift
index c7446b1..794cb2d 100644
--- a/SwiftIO/SocketEngine.swift
+++ b/SwiftIO/SocketEngine.swift
@@ -67,6 +67,7 @@ public class SocketEngine: NSObject, WebSocketDelegate {
     var connected:Bool {
         return self._connected
     }
+    var cookies:[NSHTTPCookie]?
     var pingInterval:Int?
     var polling:Bool {
         return self._polling
@@ -79,9 +80,10 @@ public class SocketEngine: NSObject, WebSocketDelegate {
     }
     var ws:WebSocket?
 
-    init(client:SocketIOClient, forcePolling:Bool = false) {
+    init(client:SocketIOClient, forcePolling:Bool = false, withCookies cookies:[NSHTTPCookie]?) {
         self.client = client
         self.forcePolling = forcePolling
+        self.cookies = cookies
         self.session = NSURLSession(configuration: NSURLSessionConfiguration.ephemeralSessionConfiguration(),
             delegate: nil, delegateQueue: self.workQueue)
     }
@@ -289,7 +291,12 @@ public class SocketEngine: NSObject, WebSocketDelegate {
         let (urlPolling, urlWebSocket) = self.createURLs(params: opts)
         self.urlPolling = urlPolling
         self.urlWebSocket = urlWebSocket
-        let reqPolling = NSURLRequest(URL: NSURL(string: urlPolling + "&b64=1")!)
+        let reqPolling = NSMutableURLRequest(URL: NSURL(string: urlPolling + "&b64=1")!)
+
+        if self.cookies != nil {
+            let headers = NSHTTPCookie.requestHeaderFieldsWithCookies(self.cookies!)
+            reqPolling.allHTTPHeaderFields = headers
+        }
 
         self.session.dataTaskWithRequest(reqPolling) {[weak self] data, res, err in
             var err2:NSError?
@@ -473,10 +480,10 @@ public class SocketEngine: NSObject, WebSocketDelegate {
                 }
 
                 if self!.websocket {
-                    // println("sending ws: \(msg):\(datas)")
+                    // NSLog("sending ws: \(msg):\(datas)")
                     self?.sendWebSocketMessage(msg, withType: PacketType.MESSAGE, datas: datas)
                 } else {
-                    // println("sending poll: \(msg):\(datas)")
+                    // NSLog("sending poll: \(msg):\(datas)")
                     self?.sendPollMessage(msg, withType: PacketType.MESSAGE, datas: datas)
                 }
             }
diff --git a/SwiftIO/SocketIOClient.swift b/SwiftIO/SocketIOClient.swift
index 27afb7d..cf5a837 100644
--- a/SwiftIO/SocketIOClient.swift
+++ b/SwiftIO/SocketIOClient.swift
@@ -60,6 +60,7 @@ public class SocketIOClient: NSObject {
     public var connecting:Bool {
         return self._connecting
     }
+    public var cookies:[NSHTTPCookie]?
     public var engine:SocketEngine?
     public var nsp:String?
     public var reconnects = true
@@ -107,13 +108,19 @@ public class SocketIOClient: NSObject {
             if let polling = opts!["forcePolling"] as? Bool {
                 self.forcePolling = polling
             }
+            
+            if let cookies = opts!["cookies"] as? [NSHTTPCookie] {
+                self.cookies = cookies
+            }
         } else {
             self.reconnectAttempts = -1
         }
         
         super.init()
         
-        self.engine = SocketEngine(client: self, forcePolling: self.forcePolling)
+        self.engine = SocketEngine(client: self,
+            forcePolling: self.forcePolling,
+            withCookies: self.cookies)
     }
     
     public convenience init(socketURL:String, options:NSDictionary?) {