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diff --git a/compiler/coco/core/include/coco/IR/FeatureLayouts.h b/compiler/coco/core/include/coco/IR/FeatureLayouts.h
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+++ b/compiler/coco/core/include/coco/IR/FeatureLayouts.h
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+/*
+ * Copyright (c) 2018 Samsung Electronics Co., Ltd. All Rights Reserved
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __COCO_IR_FEATURE_LAYOUTS_H__
+#define __COCO_IR_FEATURE_LAYOUTS_H__
+
+#include "coco/IR/FeatureLayout.h"
+
+#include <nncc/core/ADT/feature/Layout.h>
+
+#include <vector>
+#include <memory>
+
+namespace coco
+{
+namespace FeatureLayouts
+{
+
+/**
+ * @brief BCHW Feature Layout
+ */
+class BCHW final : public FeatureLayout
+{
+private:
+  BCHW(const FeatureShape &shape) : _shape{shape}
+  {
+    // DO NOTHING
+  }
+
+public:
+  static const FeatureLayout::ID *uid(void);
+  const FeatureLayout::ID *id(void) const override { return uid(); }
+
+  const FeatureShape &shape(void) const override { return _shape; }
+
+  ElemID at(uint32_t b, uint32_t ch, uint32_t row, uint32_t col) const override;
+
+private:
+  FeatureShape _shape;
+
+public:
+  static std::unique_ptr<BCHW> create(const nncc::core::ADT::feature::Shape &shape);
+};
+
+/**
+ * @brief BHWC Feature Layout
+ */
+class BHWC : public coco::FeatureLayout
+{
+private:
+  BHWC(const FeatureShape &shape) : _shape{shape}
+  {
+    // DO NOTHING
+  }
+
+public:
+  static const FeatureLayout::ID *uid(void);
+  const FeatureLayout::ID *id(void) const override { return uid(); }
+
+  const FeatureShape &shape(void) const override { return _shape; }
+
+  coco::ElemID at(uint32_t b, uint32_t ch, uint32_t row, uint32_t col) const override;
+
+private:
+  FeatureShape _shape;
+
+public:
+  static std::unique_ptr<BHWC> create(const nncc::core::ADT::feature::Shape &shape);
+  static std::unique_ptr<BHWC> create(const FeatureShape &shape);
+};
+
+/**
+ * @brief BC (Channel-wise Channel-major) Feature Layout
+ *
+ * 1. A layout is said to be channel-wise if the following holds:
+ *
+ *  For each pair of valid feature index I and J,
+ *    at(I) == at(J) if batch(I) == batch(J) and channel(I) == channel(J)
+ *
+ * 2. A layout is said to be channel-major if the followings hold:
+ *
+ *   For each pair of valid feature index I and J,
+ *    at(I) + 1 == at(J) if batch(I) == batch(J) and channel(I) + 1 == channel(J)
+ *
+ *   For each pair of valid feature index I and J,
+ *    at(I) + 1 == at(J) if batch(I) + 1 == batch(J), channel(I) == depth - 1, and channel(J) == 0
+ */
+class BC : public coco::FeatureLayout
+{
+private:
+  BC(const FeatureShape &shape) : _shape{shape}
+  {
+    // DO NOTHING
+  }
+
+public:
+  static const FeatureLayout::ID *uid(void);
+  const FeatureLayout::ID *id(void) const override { return uid(); }
+
+  const FeatureShape &shape(void) const override { return _shape; }
+
+  coco::ElemID at(uint32_t b, uint32_t ch, uint32_t row, uint32_t col) const override;
+
+private:
+  FeatureShape _shape;
+
+public:
+  static std::unique_ptr<BC> create(const nncc::core::ADT::feature::Shape &shape);
+};
+
+/**
+ * @brief Generic Feature Layout
+ */
+class Generic final : public FeatureLayout
+{
+private:
+  Generic(const FeatureShape &shape);
+
+public:
+  static const FeatureLayout::ID *uid(void);
+  const FeatureLayout::ID *id(void) const override { return uid(); }
+
+  const FeatureShape &shape(void) const override { return _shape; }
+
+  ElemID &at(uint32_t b, uint32_t ch, uint32_t row, uint32_t col);
+  ElemID at(uint32_t b, uint32_t ch, uint32_t row, uint32_t col) const override;
+
+  void reorder(const nncc::core::ADT::feature::Layout &l);
+
+private:
+  uint32_t offset(uint32_t b, uint32_t ch, uint32_t row, uint32_t col) const;
+
+private:
+  FeatureShape _shape;
+
+private:
+  std::vector<ElemID> _content;
+
+public:
+  static std::unique_ptr<Generic> create(const nncc::core::ADT::feature::Shape &shape);
+};
+
+} // namespace FeatureLayouts
+} // namespace coco
+
+#endif // __COCO_IR_FEATURE_LAYOUTS_H__