diff --git a/HttpAbstractions.sln b/HttpAbstractions.sln
index d0bb133101..48380ad6d4 100644
--- a/HttpAbstractions.sln
+++ b/HttpAbstractions.sln
@@ -26,6 +26,7 @@ EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Microsoft.AspNet.Abstractions.Owin.net45", "src\Microsoft.AspNet.Abstractions.Owin\Microsoft.AspNet.Abstractions.Owin.net45.csproj", "{E6B7056F-547E-4B96-9E58-858DDDAE75D3}"
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Microsoft.AspNet.Abstractions.Owin.k10", "src\Microsoft.AspNet.Abstractions.Owin\Microsoft.AspNet.Abstractions.Owin.k10.csproj", "{C5C104A4-EE38-4D77-AC77-DF599FD5443A}"
+
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
diff --git a/src/Microsoft.AspNet.Abstractions/HttpContext.cs b/src/Microsoft.AspNet.Abstractions/HttpContext.cs
index 241c1d17e2..ab1193bd44 100644
--- a/src/Microsoft.AspNet.Abstractions/HttpContext.cs
+++ b/src/Microsoft.AspNet.Abstractions/HttpContext.cs
@@ -1,13 +1,15 @@
 using System;
+using System.Collections.Generic;
 
 namespace Microsoft.AspNet.Abstractions
 {
     public abstract class HttpContext : IDisposable
     {
-        // TODO - review IOwinContext for properties
-
         public abstract HttpRequest Request { get; }
+
         public abstract HttpResponse Response { get; }
+        
+        public abstract IDictionary<object, object> Items { get; }
 
         public abstract void Dispose();
 
diff --git a/src/Microsoft.AspNet.PipelineCore/DefaultHttpContext.cs b/src/Microsoft.AspNet.PipelineCore/DefaultHttpContext.cs
index bbd69ef0f8..f5a85826d7 100644
--- a/src/Microsoft.AspNet.PipelineCore/DefaultHttpContext.cs
+++ b/src/Microsoft.AspNet.PipelineCore/DefaultHttpContext.cs
@@ -18,6 +18,7 @@ namespace Microsoft.AspNet.PipelineCore
         }
 
         public override HttpRequest Request { get { return _request; } }
+
         public override HttpResponse Response { get { return _response; } }
 
         public int Revision { get { return _environment.Revision; } }
diff --git a/src/Microsoft.AspNet.PipelineCore/Infrastructure/ParsingHelpers.cs b/src/Microsoft.AspNet.PipelineCore/Infrastructure/ParsingHelpers.cs
index 204b3cda0e..0a9a581ec2 100644
--- a/src/Microsoft.AspNet.PipelineCore/Infrastructure/ParsingHelpers.cs
+++ b/src/Microsoft.AspNet.PipelineCore/Infrastructure/ParsingHelpers.cs
@@ -1,4 +1,5 @@
 using Microsoft.AspNet.Abstractions;
+using Microsoft.AspNet.PipelineCore.Collections;
 using System;
 using System.Collections;
 using System.Collections.Generic;
@@ -514,21 +515,32 @@ namespace Microsoft.AspNet.PipelineCore.Infrastructure
 
         private static readonly char[] SemicolonAndComma = new[] { ';', ',' };
 
+        internal static T GetItem<T>(HttpRequest request, string key)
+        {
+            object value;
+            return request.HttpContext.Items.TryGetValue(key, out value) ? (T)value : default(T);
+        }
+
+        internal static void SetItem<T>(HttpRequest request, string key, T value)
+        {
+            request.HttpContext.Items[key] = value;
+        }
+
         internal static IDictionary<string, string> GetCookies(HttpRequest request)
         {
-            var cookies = request.Get<IDictionary<string, string>>("Microsoft.Owin.Cookies#dictionary");
+            var cookies = GetItem<IDictionary<string, string>>(request, "Microsoft.Owin.Cookies#dictionary");
             if (cookies == null)
             {
                 cookies = new Dictionary<string, string>(StringComparer.Ordinal);
-                request.Set("Microsoft.Owin.Cookies#dictionary", cookies);
+                SetItem(request, "Microsoft.Owin.Cookies#dictionary", cookies);
             }
 
             string text = GetHeader(request.Headers, "Cookie");
-            if (request.Get<string>("Microsoft.Owin.Cookies#text") != text)
+            if (GetItem<string>(request, "Microsoft.Owin.Cookies#text") != text)
             {
                 cookies.Clear();
                 ParseDelimited(text, SemicolonAndComma, AddCookieCallback, cookies);
-                request.Set("Microsoft.Owin.Cookies#text", text);
+                SetItem(request, "Microsoft.Owin.Cookies#text", text);
             }
             return cookies;
         }
@@ -570,14 +582,9 @@ namespace Microsoft.AspNet.PipelineCore.Infrastructure
                 scanIndex = delimiterIndex + 1;
             }
         }
-
-        internal static string GetJoinedValue(IDictionary<string, string[]> Store, string key)
-        {
-            throw new NotImplementedException();
-        }
     }
 
-    internal static partial class OwinHelpers
+    internal static partial class ParsingHelpers
     {
         public static string GetHeader(IDictionary<string, string[]> headers, string key)
         {
@@ -768,7 +775,7 @@ namespace Microsoft.AspNet.PipelineCore.Infrastructure
         }
     }
 
-    internal static partial class OwinHelpers
+    internal static partial class ParsingHelpers
     {
         private static readonly Action<string, string, object> AppendItemCallback = (name, value, state) =>
         {
@@ -789,15 +796,15 @@ namespace Microsoft.AspNet.PipelineCore.Infrastructure
 
         internal static IDictionary<string, string[]> GetQuery(HttpRequest request)
         {
-            var query = request.Get<IDictionary<string, string[]>>("Microsoft.Owin.Query#dictionary");
+            var query = GetItem<IDictionary<string, string[]>>(request, "Microsoft.Owin.Query#dictionary");
             if (query == null)
             {
                 query = new Dictionary<string, string[]>(StringComparer.OrdinalIgnoreCase);
-                request.Set("Microsoft.Owin.Query#dictionary", query);
+                SetItem(request, "Microsoft.Owin.Query#dictionary", query);
             }
 
             string text = request.QueryString.Value;
-            if (request.Get<string>("Microsoft.Owin.Query#text") != text)
+            if (GetItem<string>(request, "Microsoft.Owin.Query#text") != text)
             {
                 query.Clear();
                 var accumulator = new Dictionary<string, List<string>>(StringComparer.OrdinalIgnoreCase);
@@ -806,7 +813,7 @@ namespace Microsoft.AspNet.PipelineCore.Infrastructure
                 {
                     query.Add(kv.Key, kv.Value.ToArray());
                 }
-                request.Set("Microsoft.Owin.Query#text", text);
+                SetItem(request, "Microsoft.Owin.Query#text", text);
             }
             return query;
         }
@@ -842,7 +849,7 @@ namespace Microsoft.AspNet.PipelineCore.Infrastructure
         }
     }
 
-    internal static partial class OwinHelpers
+    internal static partial class ParsingHelpers
     {
         internal static string GetHost(HttpRequest request)
         {
diff --git a/src/Microsoft.AspNet.PipelineCore/Microsoft.AspNet.PipelineCore.net45.csproj b/src/Microsoft.AspNet.PipelineCore/Microsoft.AspNet.PipelineCore.net45.csproj
new file mode 100644
index 0000000000..b4d658e9fb
--- /dev/null
+++ b/src/Microsoft.AspNet.PipelineCore/Microsoft.AspNet.PipelineCore.net45.csproj
@@ -0,0 +1,80 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProjectGuid>{68A538BA-D542-49CB-9615-B4F5A4E78C87}</ProjectGuid>
+    <OutputType>Library</OutputType>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <RootNamespace>Microsoft.AspNet.PipelineCore</RootNamespace>
+    <AssemblyName>Microsoft.AspNet.PipelineCore</AssemblyName>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
+    <FileAlignment>512</FileAlignment>
+    <BaseIntermediateOutputPath>obj/net45</BaseIntermediateOutputPath>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <PlatformTarget>AnyCPU</PlatformTarget>
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Debug\net45</OutputPath>
+    <DefineConstants>DEBUG;TRACE;NET45</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <PlatformTarget>AnyCPU</PlatformTarget>
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\Release\net45</OutputPath>
+    <DefineConstants>TRACE;NET45</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="mscorlib" />
+    <Reference Include="System" />
+    <Reference Include="System.Core" />
+    <Reference Include="Microsoft.CSharp" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="Builder.cs" />
+    <Compile Include="Collections\FormCollection.cs" />
+    <Compile Include="Collections\HeaderDictionary.cs" />
+    <Compile Include="Collections\ReadableStringCollection.cs" />
+    <Compile Include="Collections\RequestCookieCollection.cs" />
+    <Compile Include="Collections\ResponseCookieCollection.cs" />
+    <Compile Include="DefaultHttpContext.cs" />
+    <Compile Include="DefaultHttpRequest.cs" />
+    <Compile Include="DefaultHttpResponse.cs" />
+    <Compile Include="Infrastructure\Constants.cs" />
+    <Compile Include="Infrastructure\ParsingHelpers.cs" />
+    <Compile Include="Owin\OwinConstants.cs" />
+    <Compile Include="Owin\OwinHttpEnvironment.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+    <Content Include="project.json" />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\..\src\Microsoft.AspNet.FeatureModel\Microsoft.AspNet.FeatureModel.net45.csproj">
+      <Project>{95AEE59D-BF51-47CB-A957-C03D909CC148}</Project>
+      <Name>Microsoft.AspNet.FeatureModel</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\..\src\Microsoft.AspNet.Abstractions\Microsoft.AspNet.Abstractions.net45.csproj">
+      <Project>{D36288AF-8A0E-48DD-8AF8-15B72F91C70A}</Project>
+      <Name>Microsoft.AspNet.Abstractions</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\..\src\Microsoft.AspNet.HttpFeature\Microsoft.AspNet.HttpFeature.net45.csproj">
+      <Project>{A6DEB0D3-982E-4A07-8EE7-39269F192AF7}</Project>
+      <Name>Microsoft.AspNet.HttpFeature</Name>
+    </ProjectReference>
+  </ItemGroup>
+  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+  <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
+       Other similar extension points exist, see Microsoft.Common.targets.
+  <Target Name="BeforeBuild">
+  </Target>
+  <Target Name="AfterBuild">
+  </Target>
+  -->
+</Project>
\ No newline at end of file